H2 is 2 grams/mol
so we have 40 mols of H2 which is 80 mols of H
for each mol of H we get 1/3 mol of NH3
so we get 80/3 mols of NH3
NH3 is 14+3 = 17 grams/mol
(80/3)mols * 17 grams/mol = 453 grams NH3
a mass of 80 grams of hydrogen gas is heated with nitrogen gas to produce ammonia gas .what is the mass of ammonia that will be produced
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