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19 March, 11:40

A student was given 118 mL sample of hydrogen peroxide. The density of hydrogen peroxide is 1.11 g/mL. The entire sample of hydrogen peroxide was allowed to decompose into water and oxygen gas.

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  1. 19 March, 12:16
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    Although this question is incomplete and i could not get the complete question online as well but to calculate the mass of the hydrogen peroxide, we use the formula below,

    Density = mass/volume

    But density = 1.11g/ML

    Volume = 118ML

    Therefore mass of hydrogen peroxide = 1.11 * 118

    = 130.98g
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