Question

When 2.8 g of nitrogen reacts with 0.6 g of hydrogen, 3.4 g of ammonia gas is produced. If 5.8 g of nitrogen is allowed to react with 0.6 g of hydrogen, then the amount of ammonia produced is
[ISO STAGE 1 2009]
(A) 1.7 g
(B) 6.2 g
(C) 4.7 g
(D) 7.4g
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Answer 1

only 2.8 g of nitrogen will react with hydrogen rest will remain same(according to law of constant proportions)