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posted by twynna on Tuesday, February 8, 2011 at 2:59pm.
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!!!
# moles = grams/molar mass.
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