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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Definitions:

Systolic Murmur

A heart murmur occurring during the systolic phase of the cardiac cycle, often indicating an underlying heart condition.

Precordium

The region on the anterior surface of the body covering the heart and lower part of the thorax.

Hypertension

A chronic medical condition in which the blood pressure in the arteries is elevated, requiring the heart to work harder than normal.

High Cholesterol

A condition characterized by elevated levels of cholesterol in the blood, which increases the risk of cardiovascular disease.