Question:
Define: Osmotic pressure
Define: Osmotic pressure
Updated On: Sep 25, 2025
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Solution and Explanation
Osmotic Pressure:
Osmotic pressure is the minimum pressure that must be applied to a solution to prevent the flow of solvent molecules into it through a semipermeable membrane.
It is a colligative property and is given by: \[ \pi = C R T \] where:
- \(\pi\) = osmotic pressure
- \(C\) = molar concentration of solute
- \(R\) = universal gas constant
- \(T\) = absolute temperature
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