Consider hte following reaction: PCl5(g) ←→PCl3(g) + Cl2(g) a. Write the equilibrium expression for the reaction b. At equilibrium, there is 0.16 mol of PCl3, 0.16 mol of Cl2 and 0.60 mol of PCl5 in a 350ml flask. What is the equilibrium constant (Kc)? c. If 0.20 mol of Cl2 is added to the equilibrium mixture, will the concentration of PCl5 increase or decrease?

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