Given this equation: N2 + 3 H2 ---> 2 NH3, write the following molar ratios: a) N2 / H2, b) N2 / NH3 and c) H2 / NH3

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Answer 1 · 2014-05-06T01:28:50

In order to determine the mole ratio, we need to begin with a balanced chemical equation.

For this reaction the balanced chemical equation is
#N_2 + 3H_2 -> 2NH_3#

The mole ratios are determined using the coefficients of the substances in the balanced chemical equation.

#1 mol n_2 : 3 mol H_2 : 2 mol NH_3#

The mole ratios for each substance pair would be

#1 mol N_2 : 3 mol H_2#

#(1 mol N_2)/ (3 mol H_2)# or #(3 mol H_2)/ (1 mol N_2)#

#1 mol N_2 : 2 mol NH_3#

#(1 mol N_2)/ (2 mol NH_3)# or #(2 mol NH_3)/ (1 mol N_2)#

#3 mol H_2 : 2 mol NH_3#

#(3 mol H_2)/ (2 mol NH_3)# or #(2 mol NH_3)/ (3 mol H_2)#

I hope this was helpful.
SMARTERTEACHER