Consider the equilibrium between PCl5, PCl3 and Cl2. PCl5(g) PCl3(g) + Cl2(g)       K = 9.17×10-2 at 540 K The reaction is allowed to reach equilibrium in a 12.8-L flask. At equilibrium, [PCl5] = 0.112 M, [PCl3] = 0.102 M and [Cl2] = 0.102 M. (a) The equilibrium mixture is transferred to a 6.40-L flask. In which direction will the reaction proceed to reach equilibrium? (b) Calculate the new equilibrium concentrations that result when the equilibrium mixture is transferred to a 6.40-L flask. [PCl5] =  M [PCl3] =  M [Cl2] =  M

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