\(=\frac{w}{\text { molar mass }} \times N _{ A } \times\) atomicity
\((1)\) \(\frac{1}{7} \times N _{ A } \times 1\)
\((2)\) \(\frac{1}{108} \times N _{ A } \times 1\)
\((3)\) \(\frac{1}{24} \times N _{ A } \times 1\)
\((4)\) \(\frac{1}{32} \times N _{ A } \times 2\)
(નાઈટ્રિક એસિડનું મોલર દળ $63 \,g \,mol ^{-1}$ છે.)