You'll get a detailed solution from a subject matter expert that helps you learn core concepts. The sub script shows us that in one more molecule we have two moles of potassium to buy by the volume of the solution . B) 2.09 1025 If you spent $0.77, how many pounds of bananas did you purchase? D) 13.5 E) 342.2 g/mol, Calculate the molar mass of ammonium carbonate. one mole of potassium sulfate contains: answer choices . B) 4 ___nitric acid + ___sodium hydroxide ___sodium nitrate + ___water C) 20.04 g/mol C) 7 What does one mole of potassium sulfate contain? d. A) 4.72 10-5 Solution : As we know that, 1 mole of contains number of atoms. A) 2, 1, 1, 2 and stirred until the solution became homogeneous. It contains six atoms in total. It contains six atoms in total. What is the molecular formula of a compound given the molar mass of the compound is 186.5 grams and the empirical formula is C2H7? B) 15.6 C) No precipitate has formed. A) 2.14 x 1024 B) 4.00 Thus, 2.5L of 0.200M K 2SO 4 contains (2 2.5 0.200) that is 1 mole of Potassium ions One mole of potassium sulfate (K2S04) contains: A. Is this evidence of a chemical reaction? PUGVIEW FETCH ERROR: 403 Forbidden National Center for Biotechnology Information 8600 Rockville Pike, Bethesda, MD, 20894 USA Contact Policies FOIA HHS Vulnerability Disclosure National Library of Medicine National Institutes of Health Solved One mole of ammonium nitrate contains: Solved If a sample of carbon dioxide contains 3.8 moles of oxygen atoms, how many moles One mole of ammonium nitrite contains: ___potassium iodide + ___lead (II) acetate ___lead (II) iodide +___potassium acetate The symbol of mole is mol. The only difference is in step 2 you convert volume of reactant (or product) to moles. A) precipitation D) 47.5 E) none of the above, What is the mass percent of hydrogen in water? The formula for potassium dichromate is K2Cr2O7 How many grams of oxygen will be in 2 moles of potassium dichromate? A) Pb2+, NO3- How many hydrogen atoms are in 35.0 grams of hydrogen gas? D) double-displacement Nanoscale graphene-based materials (GBMs) enable targeting subcellular structures of the nervous system, a feature crucial for the successful engineering of alternative nanocarriers to deliver drugs and to treat neurodisorders. C) 31.3 164.10 g/mol. B) 3 One Mole Of Potassium Sulfate Contains. B) 384.4 A) oxidation-reduction reaction. In one roll, we have one mole of chloride. A) 221 C) 97.2 E) Cr3O2, An iron chloride compound contains 55.85 grams of iron and 106.5 grams of chlorine. D) 1.05 1025 88.8% How many grams of carbon atoms are present in 45.0g of CCl4? Which means, each mole of Potassium sulphate contains two moles of Potassium ions. D) absorbing light when chemicals are contacted with each other 12.8. A. E) when all of the above occur, A) when a substance reacts with elemental oxygen, Methane gas (CH4), on complete combustion in air, produces: D) 3.00 E) All of the above are evidence of a chemical reaction. C) 0.555 A) CH3O2 A) CHO D) The NaCl will fail to dissociate. Which of the following best describes one mole of potassium sulfate, K,SO,?*. C) the symbols and formulas of all reactants and products. C) (l) C) 6.76 A) 123.0 g/mol A) 3 C) 2,430 Given the following percent composition, calculate the molecular formula: An unknown acid has a molar mass of 60.05 g/mol. We review their content and use your feedback to keep the quality high. An airplane traveling at $510 \mathrm{~km} / \mathrm{h}$ needs to reverse its course. B) 2 moles of sulfur. C) 3.01 103 E) none of the above, Determine the correct empirical formula of a compound containing 26.68% carbon, 2.24% hydrogen, and 71.08% oxygen. E) none of the above, What is the mass percent of oxygen in sodium oxide? E) none of the above, The mass of one mole of carbon dioxide is ________ g. 1. To this solution, methyl vinyl ketone (1.5 mmol) followed by 20 mol % of PdCl2 (59-60%, 35 mg) was added under a nitrogen atmosphere, then . A) Each balloon has an equal number of atoms. 100 grams Potassium Sulfate to mol = 0.57386 mol. A) 2.8 Hence, 1 mol of the same contains 2 mol of potassium, 1 mol of sulfur and 4 mol of oxygen. You would then divide the moles and potassium hydroxide by its volume, the measured volume of 0.1 leaders in order to determine the concentration of potassium . What is the formula of the oxide? . E) none of the above, 19) Which of the following equations is NOT balanced properly? C) indicates the structure of the molecule. Approach for solving ANY stoichiometric problem 1. D) 3 moles of potassium E) none of the above 14) 14) The oxygen-to-hydrogen mass ratio of water is always 80 is an example of what fundamental law? Potassium is a silvery-white metal that is soft enough to be cut with a knife with little force. 33) Calculate the molar mass of ammonium carbonate . E) none of the above, What is the mass percent of Na in sodium chloride? What is the value of n necessary to find the molecular formula? In one mole of. B) combustion reaction. Which of the following compounds has the highest mass percent of "O"? B) 2NaHCO3 Na2CO3 + CO2 + H2O Which ion would NOT be present in the complete ionic equation? E) none of the above, A compound composed of only carbon and hydrogen is 25.2% hydrogen by mass. H2 How many moles of Cu are in 1.48 1025 Cu atoms? B) 2 moles of sulfur. E) none of the above, If 3.011 molecules have a mass of 20.04 grams, what is the molar mass of this substance? D ) 11.2. D) Rb. B) 55.85 Fig.1 Experimental ferrous ion concentration ( ) and simulated data (solid line) during the irradiation process at pH 3.0 in: (A) the absence of chloride or sulfate ions; (B) [Cl-] = 0.75 mol L-1, absence of sulfate ions; (C) [SO 4 2] = 1.8 mmol L-1, absence of chloride ions, and (D) at pH 1.0 with [Cl ] = 0.75 mol L-1, absence of sulfate ions. B) FeCl2 You now add 0.500 L of a 4.00 M lead(II) nitrate solution to the beaker. B) C6H6 Quick conversion chart of grams Potassium to mol 1 grams Potassium to mol = 0.02558 mol 10 grams Potassium to mol = 0.25577 mol 20 grams Potassium to mol = 0.51153 mol 30 grams Potassium to mol = 0.7673 mol 40 grams Potassium to mol = 1.02306 mol 50 grams Potassium to mol = 1.27883 mol 100 grams Potassium to mol = 2.55766 mol E) All of the statements are true. E) none of the above, Which of the following is already in its empirical formula? D) C3H4O3 A) 0.236 What is the correct value for Avogadro's number? c. It has a molar mass of 174.3g.. A) 58.4 B) C A large beaker contains 1.50 L of a 2.00 M iron(III) chloride solution. as the number of atoms in a sample of pure 12C weighing exactly 12 g. One Latin connotation for the word "mole" is "large mass" or "bulk," which is consistent with its use as the name for this unit. A) magnesium phosphate One mole of water contains 1/2 mole of oxygen atoms. E) none of the above, What are the coefficients for the following reaction when it is properly balanced? If 17.1g of potassium reacts with 14.3g of fluorine, which reactant is the limiting reactant, and what mass of potassium fluoride can theoretically be produced? C ) 26.7. A) 2, 1, 1, 1 D) C2H8 Add an answer. E) none of the above, What is the mass of 1.56 1021 atoms of magnesium in grams? What is the angle to the third-order principal maximum (m = 3) when light with a wavelength of 426 nm shines on a grating with a slit spacing of $1.3 \times 10^{-5} \mathrm{m}$? Determine the mass of solid product formed (in grams). C) precipitation reaction 2016-10-24 19:28:15. H2O E) All statements are correct, An empirical formula represents a molecule, The empirical formula of a compound: D) 16 [edit | edit source] Another way of saying the same thing is to use the term 'Molar mass' . An empirical formula represents a molecule. 2003-2022 Chegg Inc. All rights reserved. B) C 3 moles of potassium. B) 12.8 B) solid formation when chemicals are contacted with each other D) 140 32) One mole of potassium sulfate contains: A) 4 moles of oxygen. 16.0 g B. C) 3 E) none of the above, An iron ore sample is found to be 35.00% Fe by mass. D) gas evolution 96.09 g/mol What is the percent by mass of oxygen in water? So, if have 12 g of #C#, I know, fairly precisely, how many atoms of carbon I have. contains 6.02 x 1022 molecules O It contains one sulfur atom none of the answers are correct. C) 0.677 8.Convert 8.88 mol of dinitrogen tetrahydride to molecules. C) Mg2+(aq) + 2NO3-(aq) Mg(NO3)2(aq) Firstly, We must learn how to identify a mole that could potentially be cancerous. D) strontium carbonate D) Mn3O2 If you obtained 108 grams of aluminum from an ore sample that initially weighed 204 grams, what is the mass percent of aluminum in this bauxite ore? 1 mole of K2SO4 = 174.3g = 6.02 x 1023molecule I molecule of K2SO4 contains atoms = 7 atom1 mole of K2SO4 contain atoms = 6.02 x 1023x 7 = 4.21 x 1024atom a. C) 19.2 (a) AB^-4 (tetrahedral), (b) AB2 (linear), (c) AB^-6 (octahedral), (d) AB^-3 (pyramidal), Name the conservation law that would be violated in each of the following decays: (a) $\pi^{+} \rightarrow \mathrm{e}^{+}+\gamma$ (b) $\Lambda^{0} \rightarrow \mathrm{p}+\mathrm{K}^{-}$ (c) $\Omega^{-} \rightarrow \Sigma^{-}+\pi^{0}$ (d) $\Lambda^{0} \rightarrow \pi^{-}+\pi^{+}$ (e) $\Lambda^{0} \rightarrow \mathrm{n}+\gamma$ (f) $\Omega^{-} \rightarrow \Xi^{0}+\mathrm{K}$ (g) $\Xi^{0} \rightarrow \Sigma^{0}+\pi^{0}$ (h) $\mu^{-} \rightarrow \mathrm{e}^{-}+\gamma$. Purchase this answer to view it. Gram equivalent wt. An iron chloride compound contains 55.85 grams of iron and 106.5 grams of chlorine. 4. Which compound would not form ions in the complete ionic equation? D) not enough information Pb(NO3)2(aq) + 2KI(aq) PbI2(s) + 2KNO3(aq) Mass percent (H) = Mass of waterMass. Q: A solution contains 1.42x10-2 M ammonium sulfate and 5.66x10-3 M ammonium chromate. B) MnO2 To determine its molecular formula, it is necessary to know. E) none of the above, What type of reaction is the generic equation ab+cd=ad+cb E) none of the above, How many moles of potassium are in 156.4 g? D) light D) 4NH3 + 14O2 4NO2 + 6H2O B) 278.0 g/mol B) 2, 3, 2, 2 B) when an alkali metal reacts with an alkaline earth metal E) none of the above, A reaction in which a substance reacts with oxygen, emitting heat and forming oxygen-containing compounds is an example of a(n): D) Cr2O3 (b) In many medical applications, the value of KwK_{\mathrm{w}}Kw at 37C37^{\circ} \mathrm{C}37C (body temperature) may be more appropriate than the value at 25C25^{\circ} \mathrm{C}25C, 1.010141.0 \times 10^{-14}1.01014. E) none of the above, ) When solid NaCl is stirred into water, which of the following is NOT true? Of HNO3 is =63/1=63 Hope u like it . D) 62.0 What is the value of n when the empirical formula is C3H5 and the molecular mass is 205.4 g/mol? It contains one sulfur atom. A) 4.25 1025 E) none of the above, What is the molecular formula of a compound given the molar mass of the compound is 30.04 gram and the empirical formula is NH? You have 10.0 g each of Na, C, Pb, Cu and Ne. D) 5.050 B) 3.8 C) precipitation reaction. What is the molecular formula of a compound given the molar mass of the compound is 30.04 gram and the empirical formula is NH? 11.Convert 5.2 x 10^25 formula units of mercury (II) hydrogen sulfate to moles c. It has a molar mass of 174.3 g. b. E) none of the above, How many moles of bromine gas are in 37.7 grams? I wish to bye then. What is the mass percent of iron in the ore? C) 2, 3, 6, 1 E) none of the above, What would the empirical formula be for the molecular compound C6H9O4? If she inhales and exhales 16 times per minute at sea level, where the temperature is 59F^{\circ}FF (15C^{\circ}CC) and the pressure is 14.7 psia (101 kPa), what would you expect her rate of breathing at 18,000 ft (5486 m) to be? B) 25.8 absorbing the light when chemicals are contacted with earch other, When water is heated, bubbles form in the water. O It has a mass. D) aluminum sulfide E) none of the above, 60) A redox reaction has occurred ________. 16.0 g B. You have 10.0 g each of sodium, iron, silver, zinc and neon. D) 70.1 What is the mass percent of chlorine in hydrochloric acid? A) FeCl C) magnesium bromide D) K+, I- B) 1.73 How many moles of fluorine are in 3.2 moles of xenon hexafluoride? E) none of the above, A chromium oxide compound contains 104.0 grams of chromium and 48.0 grams of oxygen. D) 3.13 104 C) Pb Rank the following objects from highest to lowest in terms of momentum and from highest to lowest in terms of energy. (a)(a)(a) What is the total charge on the sphere? Table 1 Ground state reactions employed in the . A) Pb2+ A) 22.99 A) 39.10 What is the correct value for Avogadro's number? B) 4 moles of oxygen Calculate the molar mass of ammonium carbonate. Science Chemistry Chemistry questions and answers 13) One mole of potassium sulfate contains: 13) A) 4 moles of oxygen. D) 32.0 g O2 E) none of the above, ) If you have 2.41 x 1024 atoms of copper, how many moles of copper do you have? B) Mg2+(aq) + 2Cl-(aq) + 2Ag+(aq) + 2NO3- (aq) Mg(NO3)2 (aq) + 2 AgCl(s) B) acid-base neutralization ___HCl + ___Mg ___MgCl2 + ___H2 D) double-displacement Which of the following is NOT evidence that a chemical reaction has occurred? D) 4.06 1023 Solid barium A: Concept based on the solubility product of sparingly soluble salts. D) N4H4 If you had an aqueous mixture that contained Ag+, K+, and Pb2+ cations, how many different solids could precipitate if a chloride solution was added? D) water with another compound dissolved in it. D) 13.2 D) 1.07 10-4 A) 28.01 $1p$. A) H2O (l) Given the following percent composition, calculate the molecular formula: 39.99% C, 6.73% H, 53.28% O. B) 0.472 D) NH4Cl. 5. A) H2Cl + 2KOH H2O +2KCl For one more of neon, 2 times 10 to 50 grams Potassium Sulfate to mol = 0.28693 mol. C) 35.1 The concentration for the chloride is the same as before. E) none of the above, Several grams of sodium chloride are stirred into a glass of water and are no longer visible to the eye. 1.69 C. 6.76 D. 13.5 E. none of the above 5. E) none of the above. A) molecular only. C) 10 Determine the empirical formula of ascorbic acid if it is composed of 40.92% carbon, 4.58% hydrogen, and 54.50% oxygen. E) none of the above, A reaction which forms a solid product is an example of a(n): D) 6, 1, 3, 2 Determine the empirical formula of a compound containing 60.3% magnesium and 39.7% oxygen. E) none of the above, Vitamin C is known chemically by the name ascorbic acid. 3. C) oxidation-reduction D) 3 moles of potassium. the symbols and formulas of all reactants and products, When the equation, ___N2 + ___H2 ___NH3 is balanced, the coefficient of hydrogen is: In the first step of this process, the hydrogen sulfide is burned to obtain sulfur dioxide, SO2. E) none of the above, An unknown acid has a molar mass of 60.06 g/mol. C) 2 moles of nitrogen. ___Na3PO4 + ___Ba(NO3)2 ___NaNO3 + ___Ba3(PO4)2 indicates the simplest ratio of atoms in the compound, The simplest formula for hydrogen peroxide is HO. B) 0.303 A) aluminum hydroxide D) 0.974 E) no reaction, Which of the following would NOT be a product from mixing hydrochloric acid with a solution of sodium sulfite? How many grams of ore are needed to obtain of Fe? B) 2, 2, 1, 2 D) gas evolution reaction C) 2 B) 60.7 one mole of potassium sulfate contains what, calculate the molar mass of ammonium carbonate, calculate the molar mass of calcium nitrate. 22.4. E) any of the above, What type of reaction is the generic equation ab=a+b A) C2H3O2 C) 4 What is the mass percent of hydrogen in water? 2003-2022 Chegg Inc. All rights reserved. 13) One mole of potassium sulfate contains: 13) A) 4 moles of oxygen. It was also known as vitriolic tartar and Glaser's salt or sal polychrestum Glaseri after the pharmaceutical chemist Christopher Glaser . Considering the following precipitation reaction: D) H6O In order to find the volume I can write, I have to substitute the value for the number of moles. You have 10.0 g each of Na, C, Pb, Cu and Ne. Molar mass (MM) is ALWAYS equal to ONE mole! With potassium-t-butoxide In 1-methyl-pyrrolidin-2-one at 25; for 4h; 79%: With potassium-t-butoxide In 1-methyl-pyrrolidin-2-one at 20; for 4h; . "Normalizing" the two given values to those dimensions we obtain the answer. C) 1.33 Pb(NO3)2(aq) + 2KI(aq) PbI2(s) + 2KNO3(aq) A) 4.00 g H2 C) A net ionic equation is an equation showing only the species that actually participate in the reaction. Calculate the molar mass of ammonium carbonate. B) the molar mass of all the compounds. B) 4.93 Wiki User. Which contains the. A) 93.7 B) SO2 (g) D) aluminum sulfate Given the following percent composition, what is the molecular formula? A) 2Cr + 6HCl 2CrCl3 + 3H2 A) copper carbonate C) 2, 2, 2, 1 A) 4 A nonconducting sphere of radius 6.00cm6.00 \text{~cm}6.00cm has a uniform volume charge density of 450nC/m3450 \text{nC} / \text{m}^3450nC/m3. E) none of the above, Calculate the molar mass of calcium nitrate. If 3.011 1023 molecules have a mass of 20.04 grams, what is the molar mass of this substance? A) 2 moles of nitrogen atoms. A) potassium acetate B) 0.371 Brent L. Iverson, Christopher S. Foote, Eric Anslyn, William H. Brown. E) none of the above, What type of a reaction occurs when a hydrochloric acid solution is mixed with a sodium bicarbonate solution? C) 19.0 B) 1 and 3 only C) The solution will taste salty. how many mole of fluorine are in 3.2 moles of xenon hexafluoride ? D) Yes, the formation of a gas is proof a new compound has been made. History. For acids we define their basicity as the n factor i.e. 10.Convert 1.06 x 10^23 formula units of CuSO3 to moles. A) KO E) All of the above statements are true. B) 2.84 1045 D) 44.01 One mole of water contains 1/2 mole of oxygen atoms. Tags: C) K. A) The sodium chloride solid has dissociated into its component ions. One mole of iron (III) sulfate contains 12 moles of oxygen atoms. Which of the following best describes one mole of potassium sulfate, K2SO4? A 500. gram iron ore sample was determined to contain 242 grams of iron. D) 6.022 1023 a) an asteroid with mass $10^6 \mathrm{~kg}$ and speed $500 \mathrm{~m} / \mathrm{s}$, The concentration for the chloride is the same as before. E) none of the above, 24) Which of the following compounds is SOLUBLE? Which contains the smallest number of moles? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. E) PbCl2, The compound sodium sulfate is soluble in water. A) No, boiling water is a physical change. A) 40.08 g/mol What is the mass percent of iron in the ore? Mass of oxygen = 16 g/mol. C) gas formation when chemicals are contacted with each other A) If there is no coefficient or subscript, a one is implied. E. none of the above, A 500. gram iron ore sample was determined to contain 242 grams of iron. C) 5.60 E) All the above ions are in the complete ionic equation. C) 155 density of potassium sulfate is equal to 2 660 kg/m; at 20C (68F or 293.15K) at standard atmospheric pressure . C) 6 How many atoms are in 1.50 moles of fluorine gas? B) 1 mole of potassium. This problem has been solved! E) none of the above, 20) Sodium metal reacts with water to form aqueous sodium hydroxide and hydrogen gas. Calculate the mass of one mol of oxygen gas. E) none of the above C) C2H7 B) S + H2O SOH (aq) + H (g) A) A molecular equation is a chemical equation showing the complete, neutral formulas for every compound in a reaction. The amount went up by 8.02 g. per mole. B) 1 mole of potassium. A) C3H4O3 D) Cu One mole of potassium sulfate contains: 4 moles of oxygen. A) Individual sodium and chloride ions are present. D) 1.31 D) 350.0 A) C22H34O10 D) KI The moles of hydrochloric acid added, would equal the moles of potassium hydroxide that was present. What is the formula of the oxide? D) 47.1 C) 1 mole of potassium. D) Sodium chloride is insoluble in water. C) 0.600 B) An aqueous solution has been prepared. Describe any additional force the passengers experience during the turn. The compound potassium sulfate has a chemical formula K 2 SO 4 . $$ How many moles of iron ions are in the solution? How many moles of cations are in 1.45 mol K2SO4? Balance the below equation by inspection : C) 295.1 D) 1, 1, 1, 1 19.2. A) Mg2+(aq) + 2Cl-(aq) + 2Ag+(aq) + 2NO3- (aq) Mg2+(aq) + 2NO3-aq) + 2AgCl(s) Which of the following statements about empirical formulas is incorrect? C) potassium carbonate E) none of the above, ) What type of a reaction occurs when a potassium nitrate solution is mixed with a barium acetate solution? D) 1, 1, 2, 2, 17) When the equation __Ca3N2 + __H2O __Ca(OH)2 + __NH3 is balanced, the coefficient of H2O is: E) none of the above, How many moles of fluorine are in 3.2 moles of xenon hexafluoride? This implies gram equivalent wt. D) C2H14 E) none of the above, 23) Which of the following compounds is INSOLUBLE? Calculate the molar mass of ammonium carbonate. E) none of the above, A compound composed of only hydrogen and oxygen is 5.94% hydrogen by mass. c) a $120-\mathrm{kg}$ linebacker with a speed of $10 \mathrm{~m} / \mathrm{s}$, A. B) 3.7 x 10-25 A 15.5 grams sample of diphosphorus pentoxide contains how many grams of phosphorous ? A 15.5 gram sample of diphosphorous pentoxide contains how many grams of phosphorous? 6.Convert 18.2 mol of silver sulfate to grams 7.Convert 14.8 mol of lead (IV) hydrogen phosphate to formula units. As 1 mole of copper (II)sulfate contains number of oxygen atoms. How many moles of carbon are in 3.5 moles of calcium carbonate? E) None of 1, 2, and 3, What type of a reaction occurs when potassium metal reacts with fluorine gas? So the small and mole cancel out and we get the value of 9.38 liter, which is the answer in terms of 3 significant figures. A) when a substance reacts with elemental oxygen 2 Na(s) + Cl2(aq) 2NaCl(s) E) none of the above, Which of the following statements about empirical formulas is incorrect? E) All compounds form ions in the complete ionic equation. D) C2H2O4 A) 4.97 1025 3.38 B. E) none of the above, What is the mass of 3.91 x 1024 sulfur atoms? D) 112.09 g/mol A) 2.44 D) 3 moles of potassium E) none of the above 14) 14) The oxygen-to-hydrogen mass ratio of water is always 80 is an example of what fundamental law? A) NH D) All of 1, 2, and 3 32.0 g C. 6.022 x 1023 g D. 8.0 g E. none of the above 3. B) CrO2 B) 88.8 one sulfur atom four oxygen atoms you get that from the 4 subscript. A) SO42- E) none of the above, Indicates the simplest ratio of atoms in the compound, The simplest formula for hydrogen peroxide is HO. B) CH2O E) none of the above, 18) When the equation __NO2 + __H2O + __O2 __HNO3 is balanced, the coefficient of HNO3 is: What is the mass percent of carbon in oxalic acid, H2C2O4? B) CH2O E) none of the above. D) 6.022 10 23 D) The molecular formula can be the same as the empirical formula in some situations. E) none of the above, 16) What are the coefficients for the following reaction when it is properly balanced? 16. What is the most likely empirical formula for this compound? Find the electric field at the following distances from the sphere's center: Assume that a woman must breathe a constant mass rate of air to maintain her metabolic processes. D) gas evolution reaction. C) An empirical formula must be multiplied by an integer to obtain the molecular formula. D) 315.2 g/mol A) 2, 1, 3, 1 How many molecules of sulfur trioxide are in 78.0 grams? B) A complete ionic equation is a chemical equation showing all of the species as they are actually present in solution. Considering the following precipitation reaction: O It contains six atoms in total. Echemi provides reliable and worth Potassium Sulfate price analysis & professional market analysis, helping you to find the best Potassium Sulfate suppliers Content of sulfate Transfer about 1g of Glucosamine Sulfate Potassium Chloride,accurately weighed,to a 250-mLbeaker,and . D) 11.4 C) 3.76 1027 A) 3.38 An iron ore sample is found to be 35.00% Fe by mass. D) 438 D) magnesium nitrate 60.34 mobile plus 1.22 mole. HOw many moles of carbon are in 3.5 moles of calcium carbonate ? We reviewed their content and use your feedback to keep the quality high. C) water with a molecular compound dissolved in it. What must be supplied for a decomposition reaction to happen? B) 9.00 g H2O Which contains the largest number of moles? A) absorbing heat when chemicals are contacted with each other In one roll, we have one mole of chloride. D) gas evolution C) 0.53 Then, knowing the story geometry of the reaction in this case, it's one toe one. B) calcium carbonate You have 10.0 g each of sodium, iron, silver, zinc and neon. An industrial process for manufacturing sulfuric acid, H2SO4, uses hydrogen sulfide, H2S, from the purification of natural gas. C) single displacement B) 35.5 Answer : One mole of copper (II)sulfate contains number of oxygen atoms. C) FeCl3. A) 22.4 D) Na22+ A) 2, 1, 1, 3 Vitamin C is known chemically by the name ascorbic acid. Which of the following statements about the mole is FALSE? Calculate the molar mass of calcium nitrate. A mole is defined as the amount of substance containing the same number of discrete entities (atoms, molecules, ions, etc.) C) the molar mass of hydrogen peroxide. A) 52.9 A) MnO The sub script shows us that in one more molecule we have two moles of potassium to buy by the volume of the solution . D) All of 1 and 2 only C) 1, 3, 2, 1 E) none of the above, A reaction which forms a gaseous product is an example of a(n)________. Hence, 1 mol of the same contains 2 mol of potassium, 1 mol of sulfur and 4 mol of oxygen. C) 1 mole of potassium. Calculating the mass of one mole of a species from its formula. $$, Give an example of a molecule or ion having a formula of each of the following types and structures. answer choices . Mass of water = 18 g/mol. C) Mg2O3 Convert moles given to moles desired substance. B) decomposition D) HCl + KOH H2O + KCl Recommended videos Powered by AnyClip Chemistry 1 Answer SCooke May 30, 2018 12.32M Explanation: Molarity is defined in chemistry as the number of moles of a substance per liter of solution. What is the molar mass of aluminum sulfate? Zn(s) + Cu2+(aq) Zn2+(aq) + Cu(s) I hope this solved your question. We'll do it for the next one. Two moles of potassium can be converted by dividing the mass of the pot by the mass of the pot. B) 2 moles of oxygen. The mass of one mole of carbon dioxide is ________ g. In comparing 1 mole of carbon atoms to one mole of magnesium atoms, which statement is TRUE? A) the properties of hydrogen peroxide. Potassium metal reacts rapidly with atmospheric oxygen to form flaky white potassium peroxide in only seconds of exposure. E) none of the above, A 15.5 gram sample of diphosphorous pentoxide contains how many grams of phosphorous? E) Fe3Cl, A 7.96 gram sample of silver reacts with oxygen to form 8.55 gram of the metal oxide. The milk-secreting glandular cells of the breast are arranged in grapelike formation called formation \_\_\_\_\_\_\_\_\_\_. 30 seconds . E) All the above ions are in the complete ionic equation. The compound potassium sulfate has a chemical formula K 2 SO 4 . In this case, you know that one formula unit of sodium chloride, NaCl, contains one sodium cation, Na+, and one chloride anion, Cl. Bauxite is an ore that contains the element aluminum. Which of the following statements is FALSE? E) Cs. 2. B) 3 One mole of potassium sulfate contains: 4 moles of oxygen. B) 0.114 D) double-displacement D) 1 mole of nitrogen. A) 1 and 2 only He or she would either excise aspect of the mole, ie a modest tissue sample for . 2 moles of sulfur C. 1 mole of potassium D. 3 moles of potassium E. none of the above 2. C) NO3- E) none of the above. These drain into \_\_\_\_\_\_\_\_\_\_ ducts that converge toward the nipple. C) 0.142 It was first isolated from potash, the ashes of plants, from which its name . The ltrate was partially concentrated to 30 % How many moles of Pb are in 4.71 1021 Pb atoms? A) 1297 E) none of the above, 26) All of the following compounds are soluble in water EXCEPT: One half of a mole of atoms would contain how many atoms? D) 3 moles of potassium. A) Na Which of the following statements about the mole is FALSE? E) none of the above, How many moles are there in 17.5 grams of sodium? A) the atomic mass of all the elements involved. A) synthesis/combination C) Mn2O3 B) CH3O2 2 moles of sulfur C. 1 mole of potassium D. 3 moles of potassium E. none of the above 2. This is equal to the weight of 20. . A) 37.1 Select appropriate equivalent molar ratio. A. C) CrO3 a. B) 2HCl + K(OH)2 2H2O + KCl2 B) CHO2 D) 44.01 C) N2H6 A) 0.02 E) none of the above, What is the mass of 3.09 1024 atoms of sulfur in grams? When this compound dissolves in water, which ion listed below would be present in solution? 1 mole of ferric sulfate contains 2 moles of iron, and 12 moles of oxygen atoms, and three moles of sulfate ions. B) an ionic compound with water dissolved in it. E) none of the above, How many moles of Pb are in 4.71 1021 Pb atoms? How many moles of carbon are in 3.5 moles of calcium carbonate? C) oxidation-reduction D) 5 D) barium chloride. E) None of A, B, and C. One mole of potassium sulfate contains: ___nitrogen monoxide + ___carbon monoxide ___nitrogen +___carbon dioxide 2. One mole of potassium sulfate contains: Replies Answer accepted by topic starter Solved In the gas phase one mole of N2 and three moles of H2 react to form two moles of NH3? Well, we have one. C) 39.3 Explanation: Here, we use the mole as we would use any other collective number: a dozen eggs; a Bakers' dozen; a Botany Bay dozen. C) O2- E) All the above ions are in the net ionic equation. 3. ___O2 + ___CH4 ___CO2 + ___H2O D) Ag3O B) 4 moles of hydrogen atoms. 3.5 B) 2 Given the following percent composition, what is the molecular formula? D) 0.160 A) 5.86 1023 One mole of boron has a mass of ________ g. One mole of oxygen gas has a mass of ________ g. What is the mass in grams of 5.40 moles of lithium? About Potassium sulfate Potassium sulfate weighs 2.66 gram per cubic centimeter or 2 660 kilogram per cubic meter, i.e. C) The mass of 1 mole of carbon is the same as the mass of 1 mole of magnesium. C) Na + H2O NaOH (aq) + H2 (g) What is the molar mass of aluminum sulfate? E) none of the above, What is the mass percent of chlorine in hydrochloric acid? C) single displacement The mass of solution is 1300 g and the mass of H 20 is 20. Which of the following statements about writing molecular, complete and net ionic equations is FALSE? D) 2.01 A) 9.64 1022 E) none of the above, The chemical formula CH2O can be classified as: D) Sodium chloride is insoluble in water. How many moles of bromine gas are in 37.7 grams? D) One mole of water contains 1/2 mole of oxygen atoms. B) 0.0630 D) 79.9 Potassium is the chemical element with the symbol K (from Neo-Latin kalium) and atomic number 19. It contains one sulfur atom. A) 3.30 C) Cr2(SO4)3 + 6KOH 2Cr(OH)3 + 3 K2SO4 D) 12 D) This scenario cannot happen because gases have no mass. 4 moles of oxygern B. C) C6H12O3 A) MgO The subsequent step is to seek the advice of a dermatologist. Explain. D) 3 moles of potassium. D) C5H12O2 Before a chemical equation can be written, one must know: Potassium Sulfate molecular weight Molar mass of K2SO4 = 174.2592 g/mol Convert grams Potassium Sulfate to moles or moles Potassium Sulfate to grams Molecular weight calculation: 39.0983*2 + 32.065 + 15.9994*4 Percent composition by element Calculate the molecular weight of a chemical compound Enter a chemical formula: E) 2Na + H2O Na2OH (aq) + H (g) E) none of the above. E) All of the above are signs of a chemical reaction. D) All of A, B, and C. C) 207.2 A) 0.250 One mole of potassium sulfate contains: A) 4 moles of oxygen. E) none of the above, How many atoms of lithium are in 18.7 g? A) precipitation One mole of iron (III) sulfate contains 3 moles of SO42- ions. B) C3H C) 2.12 1025 Determine the correct empirical formula of a compound containing 26.68% carbon, 2.24% hydrogen, and 71.08% oxygen. B) CaCl2. C) oxidation-reduction A. sodium B. iron C. silver D. zinc E. neorn 4. C) single displacement Be notified when an answer is posted. What is the mass of 3.09 1024 atoms of sulfur in grams? In comparing a balloon containing 25 grams of helium to a balloon containing 25 grams of neon, which one of the following statements is TRUE? E) none of the above, The mass of 1 mole of magnesium is greater than the mass of 1 mole of carbon, Which of the following contains 9.02 1023 atoms? 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