PCl3 + Cl2 <----> PCl5 (all g) Kc = 10 at a certain temperature. At a certain point during the reaction there are .50mole each of PCl3 and Cl2 and .25 mol of PCl5 present in a 5.0L container. Determine if at equilibrium and if not predict which way will proceed. b) What is the equilibrium concentration of PCl3 if 1.00mol each of PCl3 and Cl2 are placed in a 5.00L container?

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