At 35ºC, the equilibrium constant for the reaction 2NOCl(g)
2NO(g) + Cl2(g) is Kc = 1.6 × 10-5. An equilibrium mixture was found to have the following concentrations of Cl2 and NOCl: [Cl2] = 1.2 × 10-2 M; [NOCl] = 2.8 × 10-1 M. Calculate the concentration of NO(g) at equilibrium.
A) 1.0 × 10-4 M
B) 1.0 × 10-2 M
C) 2.8 × 10-1 M
D) 2.4 × 10-2 M
E) 1.6 × 10-3 M
Correct Answer:
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