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Dina
Dina asked in Science & MathematicsChemistry · 6 years ago

i need help to calculate the average atomic mass for the following sample of cobalt?

cobalt-58 = 50 atoms

cobalt-56 = 60 atoms

cobalt -60 = 95 atoms

1 Answer

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  • Roger the Mole
    Lv 7
    6 years ago

    ((50 x 58) + (60 x 56) + (95 x 60)) / (50 + 60 + 95) = 58.3

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