If 7.25g of chlorine is reacted with excess hydrogen and produces 7.25 g HCl. What is the percent yield?

Question

If 7.25g of chlorine is reacted with excess hydrogen and produces 7.25 g HCl. What is the percent yield?

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Ngọc Hoa 1 week 2021-07-22T04:48:02+00:00 1 Answers 0 views 0

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    2021-07-22T04:49:47+00:00

    Answer:

    94.61 %

    Explanation:

    percent yield = (actual yield / theoretical yield) X 100%

    The balanced equation for the reaction is:

    H2 (g ) + Cl2(g) => 2 HCl (l)

    So, the theoretical yield =  

     7.25g of chlorine X (2mol of Cl / 35.453 g of Cl) X (2mol Cl / 2mol of HCl) X  37.469g of Hcl / 2mol of Hcl = 0.409 x 18.735 = 7.663g of Hcl

    Using this theoretical yield and the provided value for actual yield, the percent yield = (actual yield / theoretical yield) X 100%

    = (7.25 g / 7.663g) X 100

    = 94.61 %

       

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