phosphorous pentachloride, PCl5 dissociates on heating to give phosphorous trichloride PCl3 and chlorine Cl2. A closed 2.00 L vessel contains 0.0100 of mol PCl5. PCl5(g)=PCl3(g)+ Cl2 (g)  Kc=4.15*10-2 at 250 0C.  (a) what are the equilibrium concentrations of each product and reactant? (b) what is the total pressure at 250 0C when equilibrium is acheived?

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