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At a particular temperature,K=3.75 for the reaction:calculate the equilibrium concentrations of the gases?

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SO2(g) + NO2(g)<- -> SO3(g) + NO(g)

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  1. [SO3] [NO] / [SO2][NO2]= eq conc

    substitute initial conc and calculate


  2. [SO2] = [NO2] = 0.800 -x

    [SO3] = [NO] = x

    x^2 / (0.800-x)^2 = 3.75

    square root

    x/0.800-x = 1.94

    x = 1.55 - 1.94 x

    2.94 x = 1.55

    x = 0.528 M = [SO3] = [NO]

    [SO2] = [NO2] = 0.800 - 0.528 =0.272 M
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