# chemistry

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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

• chemistry -

No.
mols O2 = 75.0/32 = ?
I suspect you divided by 16.

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