25.0 grams of ammonium sulfide reacts with 25.0 grams of copper nitrate

A) which reactant is limiting
B) how much of the Excess reactant remains
C) what is the theoratical yield

1 answer

The limiting reagent is the one that produces the fewest mols of the product. Here is how you calculate mols of the product. Do one calculation per reagent.
http://www.jiskha.com/science/chemistry/stoichiometry.html