Multiple Choice
How many sodium atoms are in 3.00 g of sodium dichromate,Na2Cr2O7?
A) 0.023 oxygen atoms
B) 2.82 × 1020 oxygen atoms
C) 1.97 × 1021 oxygen atoms
D) 1.38 × 1022 oxygen atoms
Correct Answer:

Verified
Correct Answer:
Verified
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