Iron(III) oxide reacts with carbon monoxide gas to form solid iron metal and carbon dioxide gas:

Question

Fe2O3 + 3 CO --> 2 Fe + 3 CO2

If you begin the reaction with 84.34 g of iron(III) oxide and 68.87 g of CO, which reactant will be in excess at the end of the reaction and how many grams will be remaining?

Answer 1

The carbon monoxide will be in excess at the end of the reaction, with 3.47 g remaining.