Phosphorus pentachloride decomposes according to the chemical equation
PCl5 (g) ---------> PCl3 (g) + Cl2 (g)
Kc = 1.80 at 250 degrees C
A 0.361 mol sample of PCl5(g) is injected into an empty 4.80 L reaction vessel held at 250 °C. Calculate the concentrations of PCl5(g) and PCl3(g) at equilibrium.
Calculate the concentrations of PCl5 (g) and PCl3 at equilibrium.
The answer for PCl 5 is .0035M
So all I need help with is the PCl3