Question

Define Abnormal Molar mass.

I want simple and solid answer..

class 12​

Answer 1

Answer:

Abnormal molar mass occurs as a result of dissociation or association of molecules.

Answer 2

Answer:

Sometimes, the molar mass of a substance, calculated from the colligative properties is either higher or lower, due to dissociation or association of the molecules of the substance, than the expected molar mass. In such a case, the observed molar mass of a substance is known as abnormal molar mass of that substance.