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azwanhs

  • 3 years ago

A sample of magnesium had the following isotopic composition: 24Mg, 78.60%; 25Mg, 10.11%; 26Mg, 11.29%. Calculate the relative atomic mass, Ar, of magnesium in the sample.

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  1. anoop27
    • 3 years ago
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    Medals 2

    Relative atomic mass = (24*78.60 +25*10.11 * 26*11.29)/100

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