The mass of ammonia in grams produced when 2 . 8kg of dinitrogen...

Mole of ${N}_{2} = \dfrac{2800}{28} = 100$ & ${H}_{2} = \dfrac{1000}{2} = 500$

$$\begin{array}{ll}Initialmole \\ Finalmole\end{array}$$$$\begin{array}{ll}{N}_{2}\left(g\right) \\ 100 \\ 0\end{array}$$$$\begin{array}{ll}+\end{array}$$$$\begin{array}{ll}3{H}_{2}\left(g\right) \\ 500 \\ 500 - 300\end{array}$$$$\begin{array}{ll}\to\end{array}$$$$\begin{array}{ll}2{NH}_{3}\left(g\right) \\ Limitingreagentis{N}_{2} \\ 200\end{array}$$$</p><p>Mass of${NH}_{3}$formed$= 200 \times 17 = 3400gram$