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Phosphorus pentachloride decomposes according to the chemical equation Kc=1.80@250C PCL5(g)PCL3(g)+CL2(g) A 0.240 mol sample of PCl5(g) is injected into an empty 3.95 L reaction vessel held at 250 °C. Calculate the concentrations of PCl5(g) and PCl3(g) at equilibrium.

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