Mole ConceptHard

Question

Hydrogen cyanide, HCN, is prepared from ammonia, air and natural gas (CH4) by the following process. 2NH3(g) + 3O2(g) + 2CH4(g)2HCN(g) + 6H2O(g) If a reaction vessel contains 11.5 g NH3, 10.0 g O2, and 10.5 g CH4, then what is the maximum mass, in grams, of hydrogen cyanide that could be made, assuming the reaction goes to completion?

Options

A.18.26 g
B.5.625 g
C.17.72 g
D.16.875 g

Solution

Hence, O2 is limiting reagent. Mass of HCN formed = = 5.625 g

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