How Many Hydrogen Atoms Are There in a 346 G

question 37

Multiple Choice

How many hydrogen atoms are there in a 346 g sample of pure ammonia (NH₃) ?

• A)3.67 10²⁵ atoms
• B)1.22 10²⁵ atoms
• C)60.9 atoms
• D)20.3 atoms
• E)4.89 10²⁵ atoms

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Definitions:

Cardiorespiratory Fitness

The efficiency with which the heart, lungs, and vascular system supply oxygen-rich blood to the muscles during sustained physical activity.

Creatine

A naturally occurring compound in the body that supports energy production, particularly in muscle cells, and is often supplemented for athletic performance.

ATP

Adenosine Triphosphate, a molecule that stores and transfers energy within cells, critical for metabolic processes.

Lactic Acid

An organic compound produced in muscles during intense activity and associated with muscle fatigue.