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Osmotic pressure of a urea solution at 10^(@)C is 500mm. Osmotic pressure of the solution become 105.3 mm. When it is diluted and temperature raised to 25^(@)C. The extent of dilution is

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SOLUTION :`pi V = nRT`
`(500 V_(1))/(105.3V_(2))=(nRxx283)/(nR xx298), (V_(1))/(V_(2))=(1)/(5)` so `V_(2)=5V_(1)`


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