2. A solution of potassium cyanide, KCN, is made by dissolving 3.2 g of KCN in water. When this solution reacts with excess hydrochloric acid, HCl, it produces 0.30 g of poisonous hydrogen cyanide gas, HCN.
KCN + HCl -> KCl + HCN
(a) Calculate the theoretical yield of HCN.
hCalculate the percent yield of HCN.
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