1.

The number of moles of hydrogen molecules required to produce 20 moles of ammonia through Haber's proccess is :

Answer»

40
10
20
30

Solution :`N_2(g) + 3H_2(g) to 2NH_3(g)`
The required `H_2` moles for the MANUFACTURING of 2 MOLE `NH_3 = 3` mole
The required `H_2` moles for the manufacturing of 20 moles `NH_(3) = (20 xx 3)/2`=30 mole `H_2` is required


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