If you are given a chemical equation and specific amounts for each reactant in grams, how would you determine how much product can possibly be made? if you are given a chemical equation and specific amounts for each reactant in grams, how would you determine how much product can possibly be made? 1. convert each reactant into moles of the product. 2. determine which reactant is the limiting reactant. 3. convert the moles of product, from the limiting reactant, to grams. 1. determine which reactant is the limiting reactant. 2. convert each reactant into moles of the product. 3. convert the moles of product, from the limiting reactant, to grams. 1. determine which reactant is the limiting reactant. 2. using conversion factor, convert grams of the limiting reactant to grams of the product.