Multiple Choice
How many oxygen atoms are there in 7.00 g of sodium dichromate,Na2Cr2O7?
A) 0.187 oxygen atoms
B) 2.30 × 1021 oxygen atoms
C) 1.60 × 1022 oxygen atoms
D) 1.13 × 1023 oxygen atoms
Correct Answer:

Verified
Correct Answer:
Verified
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