Calculate the number of oxygen atoms in 45.0 g of Co2(SO4) 3 (molar mass =405.8 g\mole) .
A) 8.01 × 1023 atoms
B) 2.67 × 1023 atoms
C) 12.0 atoms
D) 6.68 × 1022 atoms
E) 1.07 × 1024 atoms
Correct Answer:
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