3. Copper (II) sulfide (CuS) is formed when 48.2 grams of copper are added to 35.0 grams of
sulfur.
Which reactant is the limiting reagent?
How much product is formed?
How much excess reagent remains?
(9 pts. total / 2 pts. for equation - 4 pts. for stoich - 2 pts. for limiting reagent - 1 pt. for excess
reagent.)