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    Chemical equilibrium

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    For the equilibrium:

    PCl5(g) PCl3(g) + Cl2(g)

    Kc = 4.0 at 228°C. Pure PCl5 is added to the reaction system. At equilibrium there is 0.16 M PCl5. What is the concentration of PCl3 in this system?

    Answer = .80M

    But what are the steps to get this answer?

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    Solution Preview

    The given reaction is:
    PCl5(g) --> PCl3(g) + Cl2(g)

    Therefore, the expression for equilibrium constant will ...

    Solution Summary

    Stepwise solution is provided to reach the correct answer.