The zinc within a copper-plated penny will dissolve in hydrochloricacid if the copper coating is filed down in several spots (so that thehydrochloric acid can get to the zinc). The reaction between theacid and the zinc is 2 H+(aq) + Zn(s) ¡ H2(g) + Zn2+(aq).When the zinc in a certain penny dissolves, the total volume of gascollected over water at 25°C is 0.951 L at a total pressure of748 mmHg. What mass of hydrogen gas is collected?
The zinc within a copper-plated penny will dissolve in hydrochloricacid if the copper coating is filed down in several spots (so that thehydrochloric acid can get to the zinc). The reaction between theacid and the zinc is 2 H+(aq) + Zn(s) ¡ H2(g) + Zn2+(aq).When the zinc in a certain penny dissolves, the total volume of gascollected over water at 25°C is 0.951 L at a total pressure of748 mmHg. What mass of hydrogen gas is collected?
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter3: Chemical Reactions
Section3.11: Stoichiometry In Aqueous Solutions
Problem 3.24PSP
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The zinc within a copper-plated penny will dissolve in hydrochloric
acid if the copper coating is filed down in several spots (so that the
hydrochloric acid can get to the zinc). The reaction between the
acid and the zinc is 2 H+(aq) + Zn(s) ¡ H2(g) + Zn2+(aq).
When the zinc in a certain penny dissolves, the total volume of gas
collected over water at 25°C is 0.951 L at a total pressure of
748 mmHg. What mass of hydrogen gas is collected?
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