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What is the osmotic pressure of the solu...

What is the osmotic pressure of the solution obtained by mixing `300 cm^(3)` of 2% (mass-volume) solution of urea with `300 cm^(3)` of 3.43 % solution of sucrose of `20^(@)C` ?
`(R = 0.082 "L atm K"^(-1) "mol"^(-1))`

A

5 atm

B

5.2 atm

C

2.6 atm

D

4.5 atm

Text Solution

Verified by Experts

The correct Answer is:
B
`piV=[((w_(B))/(m_(B)))_(urea)+((w_(B))/(m_(B)))_("sucrose")]RT`
`pixx(600)/(1000)=[(6)/(60)+(3xx3.42)/(342)]0.082xx293`
`pixx0.6=(0.1+0.03)xx0.082xx293`
`pi=5.2`atm]
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OP TANDON-SOLUTIONS (GENERAL AND COLLIGATIVE PROPERTIES)-Set-1 (Level-A)
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