1. 10 g HCl x 1 mol Hcl/36g HCl (molar mass) x 1mol H2O/ 1mol HCl = 0.27mol H2O (Limiting Reactant) 0.27 mol H2O x 18 g H2O/ 1 mol H2O = 4.86 g H2O (Theoretical yield)
2. %yield = actual yield / theoretical yield x 100 = 3 g / 4. 46 g x 100 = 62.11 % percent yield
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