Chemistry

An equilibrium mixture at 852 K is found to contain 3.61 x 10^ - 3 mol/L SO3. Calculate the equililbrium , constant , keq for the reaction where SO2 an O2 are reactants and SO3 is the produce.

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  1. 2SO2 + O2 ==> 2SO3

    equilibrium:
    SO3 = 3.61 x 10^-3 M

    SO3 must be the same (the coefficients are the same).
    O2 must be 1/2 the value (2 moles SO3 = 1 mole O2).
    Substitute into Keq and solve for Kc.

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  2. i got 2.83 is that correct??

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  3. I don't have 2.83

    Kc = (SO3)^2/(SO2)^2(O2)
    Substitute into this.

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  4. isnt the numerator supposed to be (2)SO3^2?

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  5. and same with SO2

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