Given,
2.8 kg of dinitrogen quantitatively reacts with 1 kg of dihydrogen.
From above, the mole of ammonia = 0.2 kMol
So, mass of ammonia = mole X molar mass
mass of ammonia = 0.2 (kMol ) X 17 (g/Mol)
mass of ammonia = 3.4 kg = 3400 g
Ans = 3400
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