# 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.

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Asked Oct 24, 2019
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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.

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Step 1

Given:

Equilibrium concentrations :

[Cl2]=1.2x10-2M,

[NOCl]= 2.8x10-1M

Kc = 1.6x10-5

The chemical equation involved:

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