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ICSE Class 10 Answered

does osmotic pressure occur due to the weight and pressure exerted by the liquid in the cell?
Asked by saibaba1069 | 01 Apr, 2020, 12:37: AM
Expert Answer
  • Osmotic pressure is the pressure developed by diffusion of a liquid or solvent through a membrane.
  • The solvent passes from the dilute to the more concentrated solution through the membrane separating the two solutions.
  • The presence of dissolved material in a solvent lowers the escaping tendency of the solvent molecules; the greater the concentration, the more the escaping tendency is lowered.
  • Accordingly, the solvent will diffuse or pass through a membrane to a region of greater concentration, thus diluting the concentration of the solution.
  • Osmotic pressure does vary depending on the pressure exerted by the solvent on the membrane and the volume of the solvent.
 
Answered by Sheetal Kolte | 01 Apr, 2020, 11:12: AM

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