Question

Which type of molecules diffuse in the process of osmosis?

Answer 1

If two solutions of different concentration are separated by a semi-permeable membrane which is permeable to to the smaller solvent molecules but not to the larger solute molecules, then the solvent will tend to diffuseacross the membrane from the less concentrated to the more concentrated solution.

Answer 2

Osmosis is a type of simple diffusion in which water molecules diffuse through a selectively permeable membrane from areas of high water concentration to areas of lower water concentration.