Multiple Choice
Which of the following contains the greatest mass of oxygen atoms?
A) 0.5 mol CoSO4 • 7H2O
B) 2.1 mol KHSO4
C) 1.1 mol K2Cr2O7
D) 2.1 mol H2O2
E) 2.1 mol Na2S2O3
Correct Answer:

Verified
Correct Answer:
Verified
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