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Is osmosis a type of diffusion?

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The standard physics view (first published by Gibbs in 1897, about 120 years ago) has been NO to osmosis being a form of diffusion (osmosis is not a form or special case of diffusion, they are different physical phenomena), and NO to the biology camp description in diffusion terms, given above. read more

Osmosis is simply diffusion of water molecules. Higher salt concentration means lower water concentration and vice versa. So if you have a semipermeable membrane (that only allows water to pass through) you will have diffusion of water from a high concentration (low salt concentration) to a low concentration (high salt concentration). read more

Osmosis is the result of diffusion across a semipermeable membrane. If two solutions of different concentration are separated by a semipermeable membrane, then the solvent will tend to diffuse across the membrane from the less concentrated to the more concentrated solution. read more

No, osmosis is different from diffusion, in a way they are opposites.. Osmosis is when a solvent (like water) moves through a semi-permeable membrane, from a solution of low concentration, to a solution with high concentration. read more

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