Chemistry

Question Analysis
This question evaluates the student's ability to use the molar mass to convert a given mass of a substance into 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 mass of the substance, and is the molar mass of the substance.

Step-by-step Solution
1. Identify the molar mass of sulfur dioxide ( ): 32 g/mol (S) + 2 \times 16 g/mol (O) = 64 g/mol.
2. Use the formula

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