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Osmotic pressure of aqueous solution of ...

Osmotic pressure of aqueous solution of urea is 500 mm at 283 K. If its temperature is maintained at 298 K, then on how much dilution its osmotic pressure would be 105.3 mm ?

A

10 times

B

5 times

C

2.5 times

D

4 times

Text Solution

Verified by Experts

The correct Answer is:
B
`(pi_(1))/(pi_(2))=(T_(1))/(V_(1))xx(V_(2))/(T_(2))`
`therefore (500//760)/(105.3//760)=(283xxV_(2))/(V_(1)xx298) therefore (V_(2))/(V_(1))=5`
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