Practice Problem 4

Assume the following initial concentrations: (PCl₅) = 0.100 M and (Cl₂) = 0.020 M. Calculate the equilibrium concentrations of PCl₅, PCl₃, and Cl₂ if the equilibrium constant for the decomposition of PCl₅ is 0.030.

Answer

[PCl₅] = 0.065 M

[PCl₃] = 0.035 M

[Cl₂] = 0.055 M