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20 October, 05:52

In the bromination reaction of trans -cinnamic acid, a student started with 300 mg oftrans -cinnamic acid and excess bromine. They then obtained 240 mg of pure2,3-dibromo-3-phenylpropanoic acid. What is the % yield of pure2,3-dibromo-3-phenylpropanoic acid?

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  1. 20 October, 08:05
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    The percentage yield is = 80%

    Explanation:

    % yield = actual yield/theoretical yield * 100

    From The question

    Actual yield = 240mg

    Theoretical yield = 300mg

    %yield = 240/300*100 = 80%
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