Exactly 4.0 g of hydrogen gas combines with 32 g of oxygen gas according to the following reaction.
2H2 + O2 → 2H2O
a. How many hydrogen molecules are required to completely react with 48 oxygen molecules?
b. If you ran the reaction and it produced 5.0 mol H2O, how many moles of both O2 and H2 did you start with?
c. If you started with 37.5 g O2, how many grams of H2 did you start with to have a complete reaction?
d. How many grams of O2 and H2 were reacted to produce 30.0 g H2O?