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2 February, 15:29

If a reaction mixture initially contains a co concentration of 0.1470 and a cl2 concentration of 0.175 at 1000k. what is the equilibrium concentration of co at 1000 k?

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  1. 2 February, 15:37
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    When we have this equation:

    CO (g) + Cl2 (g) ↔ COCl2 (g)

    intial 0.147 0.175 0

    change - X - X + X

    final (0.147-X) (0.175-X) X

    so from the ICE table, we substitute in Kc formula : (when we have Kc = 255)

    Kc = [COCl2]/[CO][Cl2]

    255 = X / (0.147-X) (0.175-X)

    255 = X / (X^2 - 0.322 X + 0.025725)

    X = 0.13

    ∴[CO] = 0.147 - X = 0.147 - 0.13

    = 0.017 m
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