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what is osmosis?

Osmosis is the net movement of solvent molecules through a partially permeable membrane into a region of higher solute concentration, in order to equalize the solute concentrations on the two sides. It may also be used to describe a physical process in which any solvent moves, without input of energy,across a semipermeable membrane (permeable to the solvent, but not the solute) separating two solutions of different concentrations.


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