87.3 Applications of Conductivity Measurement 2. Measure the ioniza bility and dissociation constant Ostwald showed how one can measure the dissociation constant of an acid 007 C C K C (1-a)c1-aA(1n-n Ostwald dilution law 0.03 The equation can be rearranged to 001 C)+ A K Linearization2 2 2 2 m m m m (1 ) 1 ( ) c c c K c           = = = − − − Ostwald dilution law Ostwald showed how one can measure the dissociation constant of an acid. The equation can be rearranged to 2 m m m m 1 1 1 ( ) a c K       = + Linearization 2. Measure the ionizability and dissociation constant §7.3 Applications of Conductivity Measurement