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After re-weighing your crude 4-bromoacetanilide (214.06 g/mol), you obtain 163 mg of crude product. After recrystallization,...

After re-weighing your crude 4-bromoacetanilide (214.06 g/mol), you obtain 163 mg of crude product. After recrystallization, you isolate 121 mg of pure product. If you started with 125 mg of acetanilide (135.17 g/mol), calculate the percent yield of 4-bromoacetanilide (214.06 g/mol) for this reaction. Assume an excess of bromine. Enter your answer as digits only, no percent sign, using the proper number of significant figures. Can you please explain it step by step.

Reaction: Acetanilide + Br2 >>>>>>>CH3COOH with room temp >>>>>>4- bromoacetanilide

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