Which of the Following Samples Contains the Fewest Number of Molecules

question 96

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

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