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I recently performed an experiment in which magnesium oxide formed.
I have to find out the simplest whole number ratio of Mg atoms to O atoms.
How do I go about doing this?

  • Chemistry - ,

    Mass MgO - mass Mg initially = mass oxygen added.
    %Mg = [mass Mg/mass MgO]*100 = ??
    %O = [mass O/mass MgO]*100 = xx

    Now ??/atomic mass Mg =
    and xx/atomic mass O =
    and go from there.

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