reaction 100g of salicylic acid, C7H6O8, with excess acetic anhydride produces 50.0 g of aspirin, C9H8O4. What is the percentage yield ?

C7H6O3 + C4H6O3 → C9H8O4 + C2H4O2

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  • Dr W
    Lv 7
    4 weeks ago

    theoretical yield

    .. 100g SA.. 1 mol SA... 1 mol aspirin.. 180.2g aspirin

     ---- ----- --- x ----- ----- x ---- ---- ---- --- x ---- ----- ---- --- = 130.6g

    .. .. . ..1. .. ... 138g SA.. .. 1 mol SA.. . .. . 1 mol aspirin

    % yield = (50.0g / 130.6g) * 100% = 38.3%

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