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A sample of zinc metal is allowed to react completely with an excess of hydrochloric acid: Zn(s) + 2 HCl(aq) - ZnCl2(aq) + H2(g) The

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A sample of zinc metal is allowed to react completely with an excess of hydrochloric acid: Zn(s) + 2 HCl(aq) - ZnCl2(aq) + H2(g) The hydrogen gas produced is collected over water at 25.0C. The volume of the gas is 9.405 L, and the atmospheric pressure is 0.911 atm. Calculate the amount of zinc metal in grams consumed in the reaction. (Vapor pressure of water at 25C = 23.8 mmHg.) 39.8 g 25.1 g 41.88 22.18

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