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19 February, 17:42

A sample of hydrogen peroxide (H202) has 2.0 grams of hydrogen (H) and 32 grams of oxygen (O). What is the percent composition of hydrogen peroxide

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  1. 19 February, 21:40
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    O = 94.117%

    H = 5.882%

    Explanation:

    Hydrogen peroxide (H202) Molar Mass = 34g

    OH 1 - 17g/mol

    H 1 + = 1g/mol

    O = 16g/mol

    2 Grams H

    32 grams O

    Percentage composition of Hydrogen peroxide

    O = 32/34 = 94.117%

    H = 2/34 = 5.882%
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