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29 November, 15:52

What is the percent of hydrogen peroxide in the solution when 5.02g of H2O2 solution reacts to produce 0.153g of H2O2? 2H2O2 (l) → 2H2O (l) + O2 (g)

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  1. 29 November, 16:04
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    Given:

    Mass of H2O2 solution = 5.02 g

    Mass of H2O2 = 0.153 g

    To determine:

    The % H2O2 in solution

    Explanation:

    Chemical reaction-

    2H2O2 (l) → 2H2O (l) + O2 (g)

    Mass % of a substance in a solution = (Mass of the substance/Mass of solution) * 100

    In this case

    % H2O2 = (Mass H2O2/Mass of solution) * 100 = (0.153/5.02) * 100 = 3.05%

    Ans: % H2O2 in the solution = 3.05%
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