Hydrogen gas is produced when zinc reacts with sulfuric acid: Zn(s)+H2SO4(aq)-->ZnSO4(aq)+H2(g).
If 158 mL of wet H2 is collected over water at 24 degrees Celsius and a barometric pressure of 739 torr, how many grams of Zn have been consumed? (The vapor pressure of water is 22.38 torr.)