What is the number of moles in a sample containing molecules of ammonia ( )?
Options
A
1.0 moles
B
2.0 moles
C
3.0 mole
D
0.5 mole
Answer & Analysis
Answer
C
Analysis
Question Analysis
This question tests the student's ability to use Avogadro's number to convert the number of molecules to moles.
Key Concept Explanation
The number of moles of a substance can be calculated using the formula , where is the number of moles, is the number of molecules, and is Avogadro's number ( ).
Step-by-step Solution
1. Identify the number of molecules:
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