<Dl> <Dd> K p = p (NO 2) 2 p (N 2 O 4) (\ displaystyle K_ (p) = (\ frac ((\ ce (p (NO2) ^ 2))) ((\ ce (p (N2O4)))))) </Dd> </Dl> <Dd> K p = p (NO 2) 2 p (N 2 O 4) (\ displaystyle K_ (p) = (\ frac ((\ ce (p (NO2) ^ 2))) ((\ ce (p (N2O4)))))) </Dd> <P> Where p represents the partial pressure . Hence, through the definition of partial pressure and using p to represent the total pressure and x to represent the mole fraction; </P> <Dl> <Dd> K p = p T 2 (x (NO 2)) 2 p T ⋅ x (N 2 O 4) = p T (x (NO 2)) 2 x (N 2 O 4) (\ displaystyle K_ (p) = (\ frac (\ ce ((p_ (T)) ^ (2) (x (NO2)) ^ (2))) (\ ce (p_ (T) \ cdot x (N2O4)))) = (\ frac (\ ce (p_ (T) (x (NO2)) ^ (2))) (\ ce (x (N2O4))))) </Dd> </Dl>

Calculation of degree of dissociation of weak electrolyte