Problem: The equilibrium constant Kc = 1.1 x 10-2 for the following reaction at 400 K: PCl5 (g) ⇌ PCl3 (g) + Cl2 (g) (a) Given that 1.0 g of PCl5 was initially placed in a 250 ml reaction vessel, determine the molar concentrations in the mixture at equilibrium. (b) What percentage of PCl5 is decomposed at 400 K?

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The equilibrium constant Kc = 1.1 x 10-2 for the following reaction at 400 K: 

PCl5 (g) ⇌ PCl3 (g) + Cl2 (g) 

(a) Given that 1.0 g of PCl5 was initially placed in a 250 ml reaction vessel, determine the molar concentrations in the mixture at equilibrium. 

(b) What percentage of PCl5 is decomposed at 400 K?

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