Question

In: Chemistry

The Kc for the following reaction at 225 ∘C is 1.7×102. 3H2(g)+N2(g)⇌2NH3(g) If the equilibrium mixture...

The Kc for the following reaction at 225 ∘C is 1.7×102.

3H2(g)+N2(g)⇌2NH3(g)
If the equilibrium mixture contains 0.22 M H2 and 0.017 M N2, what is the molar concentration of NH3?

Express your answer to two significant figures and include the appropriate units.

Enter your answer using dimensions of chemical concentration.

Solutions

Expert Solution

                       3H2(g)+N2(g)⇌2NH3(g)

                       [H2] = 0.22M

                       [N2]    = 0.017M

                      KC = [NH3]2/[H2]3[N2]

                      1.7*102   = [NH3]2/(0.22)2(0.017)

                       [NH3]2    = 170*0.22*0.22*0.017

                      [NH3]2     = 0.139876

                      [NH3]    = 0.37


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