Answered

Solid ZnCl2 and liquid ZnCl2 have different
(1) empirical formulas (3) ion ratios
(2) formula masses (4) physical properties



Answer :

lulu1991
The answer is (4) physical properties. The empirical formulas, ion ratios and formula masses are related to the ZnCl2 itself. If they changes, ZnCl2 needs to have chemical change.

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