Answer to Question #284239 in Physical Chemistry for Reens

Question

Explain the terms-the number average molar mass and the mass average molar mass of a pl

Polymer giving suitable expressions for them.

Answer 1

The number average molecular mass is the ordinary arithmetic mean or average of the molecular masses of the individual macromolecules.

The number average molecular weight is defined as the total weight of polymer divided by the total number of molecules.