Answer:
\[\underset{\underset{1\times
\,28g}{\mathop{1mol}}\,}{\mathop{{{N}_{2}}(g)}}\,+\underset{\underset{3\,\times
\,\,2g}{\mathop{3mol}}\,}{\mathop{3{{H}_{2}}(g)}}\,\to
\underset{\underset{2\times 17g}{\mathop{2mol}}\,}{\mathop{2N{{H}_{3}}(g)}}\,\]
Case I: Let \[{{\mathbf{N}}_{\mathbf{2}}}\]
is completely consumed:
\[\because
\,\,28kg\,{{N}_{2}}\] gives \[34kg\,N{{H}_{3}}\]
\[\therefore
\]\[50kg\,{{N}_{2}}\] will give \[\frac{34}{28}\times
50kg\,\,N{{H}_{3}}=60.71kg\]
Case II:
Let \[{{\mathbf{H}}_{\mathbf{2}}}\] is completely consumed:
\[\because
\]\[6\,kg\,{{H}_{2}}\]gives \[34\,kg\,N{{H}_{3}}\]
\[\therefore
\]\[10kg\,{{H}_{2}}\] will give \[\frac{34}{6}\times
10kg\,N{{H}_{3}}=56.66Kg\]
Since, \[{{H}_{2}}\] gives least amount of product on being completely
consumed hence it is limiting reagent and actual amount of ammonia formed will
be 56.66 kg.
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