182.9 g/mol      18.02 g/mol      100.46 g/mol Cl2O7(s) + H2O(l) yield to form 2HClO4(aq) An initial mass of 5.00 grams of dichlorine heptoxide was used to synthesize a sample of perchloric acid. Calculate the theoretical yield, given this information. If 5.18 grams of perchloric acid was generated, calculate the percent yield for this experiment.

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