In the laboratory,hydrogen gas is usually made by the following reaction:
Zn(s) + 2 HCl(aq) → H2(g) + ZnCl2(aq)
How many liters of H2 gas,collected over water at an atmospheric pressure of 752 mm Hg and a temperature of 21.0°C,can be made from 1.566 g of Zn and excess HCl? The partial pressure of water vapor is 18.65 mm Hg at 21.0°C.
A) 0) 0428 L
B) 0) 573 L
C) 0) 585 L
D) 0) 599 L
Correct Answer:
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