Multiple Choice
Which of the following samples contains the fewest number of molecules? H is used as the symbol for hydrogen-1, and D is used as the symbol for hydrogen-2.
A) 42 g of D2O
B) two moles of H2O
C) two moles of D2O
D) 36 g of H2O
E) 39 g of D2O
Correct Answer:

Verified
Correct Answer:
Verified
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