When two or more than two liquids get mixed does the total polarizability becomes equal to the sum of the individual polarizabilities of the liquids?

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Stam Nicolis

Not ncessarily-it suffices to think through what the words mean.

Ulrich Deiters

No! Look at the Debye or the Clausius–Mossotti equation, which relates (epsilonr–1)(epsilonr+2) to the number density.

The densities or the molar volumes are not additive either; real mixtures usually exhibit an excess volume.