If 147 Grams Of Fes2 Is Allowed To React With 88 Grams Of O2 According To The Fo

If 147 grams of FeS2 is allowed to react with 88 grams of O2 according to the following unbalanced equation, how many grams of Fe2O3 are produced? How many g of FeS2 and O2 qre left after completion of the reaction