4. 92.0 grams of sulfuric acid (H₂SO₂) are added to 43.2 grams of calcium.
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.)