A sample contains molecules of nitrogen gas ( ). What is the number of moles of in the sample?
Options
A
12 moles
B
15 moles
C
18 moles
D
20 moles
Answer & Analysis
Answer
A
Analysis
Question Analysis
This question tests the student's ability to use Avogadro's number to convert the number of molecules into moles.
Key Concept Explanation
The formula is used to find the number of moles from the number of molecules, where is the number of moles, is the number of molecules, and is Avogadro's number.
Step-by-step Solution
1. Identify the given values: molecules and
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