Stoichiometry Practice Worksheet with solved problems on chemical reactions and mass calculations.
A close-up of a worksheet titled "Stoichiometry Practice Worksheet" with two problems involving chemical equations and calculations. The first problem asks to calculate the grams of sodium sulfate formed from 200 grams of sodium hydroxide with excess sulfuric acid, showing the balanced equation 2 NaOH + H₂SO₄ → 2 H₂O + Na₂SO₄ and a step-by-step solution. The second problem asks to determine the grams of lithium nitrate needed to make 250 grams of lead(IV) sulfate, showing the balanced equation Pb(SO₄)₂ + 4 LiNO₃ → Pb(NO₃)₄ + 2 Li₂SO₄. The worksheet is handwritten with calculations and includes