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What is osmotic pressure???

Answer» The pressure required to prevent solvent from passing through a semipermeable membrane from a region of higher concentration of solute to a region of lower concentration of solute is called osmotic pressure. It is also a measure of the tendency of a solution to gain water by osmosis when separated by a membrane from pure water.
the pressure that would have to be applied to a pure solvent to prevent it from passing into a given solution by osmosis, often used to express the concentration of the solution


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