if 12.5 grams of hydrogen are made to react with excess carbon monoxide how many grams of product can theoretically be produced

Answer 1

CO(g) + 2H₂(g) ==> CH₃OH(g). ... balanced equation

12.5 g H₂ x 1 mol/2 g x 1 mol CH₃OH/2 mol H₂ x 32 g/mol = 100 g of product (CH₃OH) will be formed