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Phosphorous trichloride and phosphorous pentachloride equilibrate in the presence of molecular chlorine according to the reaction: PCl3 (g) + Cl2 (g) → PCl5 (g)
An equilibrium mixture at 450 K contains
PPCl3 = 0.224 atm,
PCl2 = 0.284 atm, and
PPCl5 = 4.24 atm. What is the value of Kp at this temperature?
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