How many grams of oxygen gas react to give 3.00 g of ZnO? 2Zn(s)+O2(g)⟶Δ2ZnO(s) Express your answer with the appropriate units.

Answer 1

The stoichiometry is (3.00g ZnO) * (1 mol ZnO / 81.4g ZnO) * (1 mol O₂ /2 mol ZnO) * (32.0g O₂ /1 mol O₂) = 0.590g O₂.