Chemistry

Consider the reaction: PCl3(g) + Cl2(g) PCl5(g). If [PCl3] = 0.78 M, [Cl2] = 0.44 M, and [PCl5] = 0.88 at equilibrium, what is the value of K?

A.0.39
B.1.4
C.2.6
D.0.72

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  1. Write the Kc expression, substitute the numbers given and solve for Kc.

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  2. Thank you very much!

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