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posted by Cathy on Sunday, November 11, 2012 at 6:28pm.
Calculate the number of moles in 75.0 g of oxygen gas. A. 2.34 mol O2 B. 4.69 mol O2 C. 750 mol O2 D. 12.5 × 1023 mol O2 B
No. mols O2 = 75.0/32 = ? I suspect you divided by 16.
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