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5 February, 17:26

What is the percent composition by mass of sulfur in the compoun MgSO4 120. grams per mole

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  1. 5 February, 17:40
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    26.7%

    Explanation:

    Data obtained from the question include:

    Molar Mass of MgSO4 = 120g/mol

    MgSO4 contain 1 mole of sulphur.

    Molar Mass of sulphur (S) = 32g/mol

    The percentage composition by mass of sulphur in MgSO4 is given by:

    = Mass of S / Molar Mass of MgSO4 x100

    = 32/120 x 100

    = 26.7%

    Therefore, the percentage by mass of sulphur in MgSO4 is 26.7%
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