The molar mass of nitrogen (N) is approximately 14 g/mol.
The molar mass of oxygen (O) is approximately 16 g/mol.
Number of moles of nitrogen:
\[ \text{moles of N} = \frac{18.2 \text{ g}}{14 \text{ g/mol}} = 1.3 \text{ moles} \]
Number of moles of oxygen:
\[
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