How much PCl_(5) must be added to a one litre vessel at 250^(@)C in order to obtain a concentration of 0.1 mole of chlorine ? Equilibrium constant for the dissociation of PCl_(5) " at " 250^(@)C " is " 0.0414.

How much PCl_(5) must be added to a one litre vessel at 250^(@)C in or

1.	How much PCl_(5) must be added to a one litre vessel at 250^(@)C in order to obtain a concentration of 0.1 mole of chlorine ? Equilibrium constant for the dissociation of PCl_(5) " at " 250^(@)C " is " 0.0414.
Answer» Solution :`{:(,PCl_(5),HARR,PCl_(3),+,Cl_(2)),("Intial","a mole",,,,),(" At EQM.",(a-01),,01,,01 "mol " L^(-1)):}` `K_(C) = ([PCl_(3)][CL_(2)])/([PCl_(5)]) , 1.e., 00414 = (01 xx 01)/(a-01)` This gives a = `03415` mole