Explanation:
As molar mass of [tex]N_{2}O[/tex] is 44.013 g/mol and it is given that its mass is 0.195 g.
Therefore, calculate its number of moles as follows.
No. of moles = [tex]\frac{mass}{\text{molar mass}}[/tex]
= [tex]\frac{0.195 g}{44.013 g/mol}[/tex]
= 0.0044 mol
Here, in 1 mole of [tex]N_{2}O[/tex] there is 2 mole of N. Thus, moles of N present in it is calculated as follows.
[tex]2 \times 0.0044 mol[/tex]
= 0.0088 mol
Thus, we can conclude that in 0.195 g of [tex]N_{2}O[/tex] there are 0.0088 mol of N.
