Compounds Containing Nitrogen

\(\text { Consider the following sequence of reactions. }\)

The percentage of nitrogen in the yellow product $(\mathrm{X})$ formed is $\_\_\_\_$ $\%$.

(Nearest Integer)

(Given Molar mass in $\mathrm{g} \mathrm{mol}^{-1} \mathrm{H}: 1, \mathrm{C}: 12, \mathrm{~N}: 14$ )