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4 May, 07:56

What is the percent composition of magnesium (mg) in mgo?

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  1. 4 May, 11:46
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    MgO-magnesium oxide

    M₁₂=40 g/mole magnesium oxide

    M₁=24 g/mole magnesium

    M₂=16 g/mole oxygen



    in 40 g MgO ... 24 g Mg ... 16 G

    in 100 g MgO ... x g Mg



    x=100·24/40

    x=60 % Mg from MgO
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