Question

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 21.0C, can be made from 3.566 g of Zn and excess HCl? The partial pressure of water vapor is 18.65 mm Hg at 21.0C.
A) 0.0975 L
B) 1.30 L
C) 1.33 L
D) 1.36 L

Answer

This answer is hidden. It contains 1 characters.