The molar mass of Na2SO4 is 142.04 g/mol.
Calculate the number of oxygen atoms in 29.34 g of sodium sulfate,Na2SO4.
A. 1.244 × 1023 O atoms
B. 4.976 × 1023 O atoms
C. 2.409 × 1024 O atoms
D. 2.915 × 1024 O atoms
E. 1.166 × 1025 O atoms
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