What is the difference between diffusion and osmosis?
GeneralClass 12AllAnswered 27 Mar 2026
Answer
Diffusion is the movement of particles (solute molecules) from an area of higher concentration to an area of lower concentration until equilibrium is reached. This process can occur with any type of particle in any medium. Osmosis, on the other hand, is specifically the movement of solvent molecules (typically water) across a selectively permeable membrane from a region of lower solute concentration to a region of higher solute concentration. While diffusion involves solute movement, osmosis focuses on solvent movement through a membrane.
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