2Mg + O2 = 2MgO. How many mol of O2 are needed to produce 12 mol of magnesium oxide?

Ca + O2 = CaO. How many grams of calcium would be needed to make 15.0g of CaO?

KClO3 = KCl + O2. How many moles of O2 are produced from 30.5 grams of KClO3?

Zn + HCl = ZnCl2 + H2. What is the mass of HCl needed to react with 5.0 moles of Zn?

Cu + AgNO3 = Cu(NO3)2 + Ag. What is the mass of Cu needed to react with 12.0 g of AgNO3?

H2 + O2 = H2O. Theoretically, a reaction should produce 82.7 g of water, but if the reaction produces 81.2 g of water in the lab, what is the percent yield?

P4 + 3 O2 = P4O6. A reaction container holds 5.77 g of P4 and 5.77 g of O2. What theoretical yield, in grams, of P4O6 can be produced?

P4 + 3 O2 = P4O6. A reaction container holds 5.77 g of P4 and 5.77 g of O2. What is the limiting reactant?

NaCl + H2SO4 = Na2SO4 + HCl. How many grams of HCl are produced when 15.0 grams of sodium chloride reacts with H2SO4?

NaOH + H2SO4 = Na2SO4 + H2O. Experimentally, you obtained 37.45 g of sodium sulfate , but theoretically should have obtained 46.91 g of sodium sulfate. What is the percent yield?

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