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What is osmotic pressure of the aq. Solu...

What is osmotic pressure of the aq. Solution of the given solute at `27^(@)C` if depression in freezing point is `0.93^(@)C`? Molal depression constant of water is `1.86K mol^(-1) kg`? Assume molality as molarity.

Text Solution

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`Delta T = K_(f) xx "Molality", pi = "Molarity" xx ST`
`:. (Delta T_(f))/(pi) = (K_(f))/(ST)` , `(because "Molality = "Molarity")`
`(0.93)/(pi) = (1.86)/(0.0821 xx 300)`
`:. pi = 12.315` atm
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