At 250° C, the vapour density of PCl₅ is Y (at equilibrium) ... — Chemistry | Mockzy

MediumChemistryvapour density

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At 250° C, the vapour density of PCl₅ is Y (at equilibrium) and molar mass is Q (Initially). Its degree of dissociation is then equal to -

(Q − Y)/Y

(Y − Q)/Q

(Y − 2Q)/(2Q)

(Q − 2Y)/(2Y)

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