Chemical and Ionic Equilibrium - Result Question 51

####51. At a certain temperature, equilibrium constant (Kc) is 16 for the reaction;

SO2(g)+NO2(g)SO3(g)+NO(g)

If we take one mole each of all the four gases in a one litre container, what would be the equilibrium concentrations of NO and NO2 ?

(1987,5M)

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Solution:

  1. SO21x(g)+NO21x(g)SO3x(g)+NOx(g)

Qc=1<Kc, i.e. reaction proceed in forward direction to attain equilibrium.

16=(x1x)2x=0.80

[NO]=0.80M,[NO2]=0.20M



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