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posted by twynna on Sunday, February 13, 2011 at 9:05am.
Calculate the number of moles and atoms. A)64 gm of O2 B)58.9 gm of CI C)90.5gm of (HN4)2SO4 D)243gm of Mg2
moles = grams/molar mass 1 mol of anything contains 6.022E23 atoms.
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