A chemist needs to determine the number of moles in a sample containing molecules of methane ( ). What is the number of moles of in the sample?
Options
A
8 moles
B
10 moles
C
12 moles
D
15 moles
Answer & Analysis
Answer
A
Analysis
Question Analysis
This question evaluates the student's ability to use Avogadro's number to convert the number of molecules into moles.
Key Concept Explanation
The relationship between the number of molecules and moles is given by 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 given values: molecules and
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