Which One of the Following Samples Contains the Fewest Number

question 110

Multiple Choice

Which one 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) 2 moles of H₂O
• C) 2 moles of D₂O
• D) 36 g of H₂O
• E) 39 g of D₂O

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The act of overseeing all activities and tasks needed to maintain a desired level of excellence in a business’s products, services, and processes.

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