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Show that osmotic pressure is a colligat...

Show that osmotic pressure is a colligative property?

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According to vant Hoff theory of dilute solution
`pi = (n)/(V) RT`
If T and V are constant `, pi prop n`
This osmotic pressure is proportional to the number of moles of solute in the solution and does not depend upon nature of solute and hence is a colligative property .
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What is Van't Hoff factor? What possible values can it have if the solute molecules undergo dissociation in solution. Prove that osmotic pressure is a colligative property?

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van't Hoff proved that osmotic pressure ( pi ) is a colligative property. For an ideal solution, osmotic pressure( pi ) is helpful to determine that molecular mass of solute using M_(B)=(W_(B)RT)/(pi.V) Relation can exxpressed by the curve (C = concentration) :

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BETTER CHOICE PUBLICATION-SOLUTIONS-Question Bank (2 .6 Colligative Properties And Determination of Molar Mass)
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