posted by MICHELLE .
How many liters of O2 will react with 100 liters of H2 according to the gas phase reaction: O2 + 2H2 ------2H2O
When working with volume one may use L directly and not convert to mols first.
100 L H2 x (1 mol O2/2 mol H2) =
100 L H2 x (1/2) = ?