At 500 K, the reaction PCl5(g) ⇌ PCl3(g) + Cl2(g) hasKp = 0.497. In an equilibrium mixture at 500 K, the partialpressure of PCl5 is 0.860 atm and that of PCl3 is 0.350 atm.What is the partial pressure of Cl2 in the equilibrium mixture?

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