Chemistry worksheet with stoichiometry problems and handwritten solutions.
A chemistry worksheet titled "Chemical Reactions and Stoichiometry" from SFSU Chem100, featuring three problems with handwritten calculations and answers. Problem 1 asks to determine if B is the limiting reactant in the equation 3A + B → C + D when 1 mole of A reacts with 3 moles of B. Problem 2 calculates the grams of oxygen in 0.35 g of NaHCO₃. Problem 3 determines the amount of phosphoric acid produced from 103 g of Ca₃(PO₄)₂ and 75.0 g of H₂SO₄.