Chemistry

Question Analysis
This question evaluates the student's understanding of the relationship between moles, Avogadro's number, and the number of atoms in a molecule.

Key Concept Explanation
One mole of any substance contains Avogadro's number of particles. For a molecule like , each molecule contains one oxygen atom. Therefore, the number of oxygen atoms is equal to the number of molecules.

Step-by-step Solution
1. Identify the given values: moles and .
2. Use the formula

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