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March 25, 2017

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Calculate the number of moles and atoms.
A)64 gm of O2
B)58.9gm of CI
C)90.5gm of (NH4)2SO4
D)243gm of Mg2

Please help i have NO CLUE HOW TO DO THIS THANKS!!!

  • chemistry - ,

    # moles = grams/molar mass.

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