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number of atom: 31. 0 a of

number of atom: 31. 0 a of

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter3: Mass Relations In Chemistry; Stoichiometry
Section: Chapter Questions
Problem 1QAP: One chocolate chip used in making chocolate chip cookies has a mass of 0.324 g. (a) How many...
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A sample of 28.0 g of iron has approximately the same number of atoms as: 31.0 g of P 64.0 g of Cu 2.0 g of He 39.0 g of K 236.0 g of Sn d) e) а. b. c. Consider the following equation: Ba(NO.). + Fe.(SO.), BasO. + Fe(NO.). When this equation is correctly balanced, the coefficient of: Ba(NO.), will be 4 Baso. will be 4 Fe.(SO.), will be 2 d) e) Ba(NO.), will be 3 Fe(NO.), will be 4 а. b. с. The balanced chemical equation for the combustion of methane gas (CH.) is: CH. + 7 0. 2 Co. + 3 H.O 2 CH. + 7 0, 4 CO, + 6 H.O 2 CH. + O. - 2 cO. + H.O CH. + 2 0, - CO, + H.O CH.+ 2 0, - CO, + 2 H,O d) e) a. b. C. Ammonia is produced from a reaction as show in the equation below: 2 NH. 3 H.. N. The number of moles of hydrogen required to produce 4 moles of ammonia is: a. 1 d) 12 b. 8 3 6 e) с. What volume of water is needed to dilute 500.0 mL of a 1.00 mol/L CuSO. solution to 0.500 mol/L: 5.00x10 mL 125 mL d) a. 1.01 L b. e) 375 mL 2.5x10 mL С.
Transcribed Image Text:A sample of 28.0 g of iron has approximately the same number of atoms as: 31.0 g of P 64.0 g of Cu 2.0 g of He 39.0 g of K 236.0 g of Sn d) e) а. b. c. Consider the following equation: Ba(NO.). + Fe.(SO.), BasO. + Fe(NO.). When this equation is correctly balanced, the coefficient of: Ba(NO.), will be 4 Baso. will be 4 Fe.(SO.), will be 2 d) e) Ba(NO.), will be 3 Fe(NO.), will be 4 а. b. с. The balanced chemical equation for the combustion of methane gas (CH.) is: CH. + 7 0. 2 Co. + 3 H.O 2 CH. + 7 0, 4 CO, + 6 H.O 2 CH. + O. - 2 cO. + H.O CH. + 2 0, - CO, + H.O CH.+ 2 0, - CO, + 2 H,O d) e) a. b. C. Ammonia is produced from a reaction as show in the equation below: 2 NH. 3 H.. N. The number of moles of hydrogen required to produce 4 moles of ammonia is: a. 1 d) 12 b. 8 3 6 e) с. What volume of water is needed to dilute 500.0 mL of a 1.00 mol/L CuSO. solution to 0.500 mol/L: 5.00x10 mL 125 mL d) a. 1.01 L b. e) 375 mL 2.5x10 mL С.
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