A sample of 0.750 mol of PCl5 is heated to 250oC in a 1.00 L reaction container to produce PCl3 and Cl2.The balanced reaction equation isPCl5(g) → PCl3(g) + Cl2(g)At this temperature the equilibrium constant Kc = 4.2 x 10-4. Calculate the equilibrium concentrationsfor PCl3 and Cl2.

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