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Osmotic pressure of 30% solution of gluc...

Osmotic pressure of `30%` solution of glucose is `1.20` atm and that of `3.42%` solutin of cane sugar is `2.5` atm, The osmotic pressure of the mixture containing equal volumes of the two solutions will be

A

`2.5` atm

B

`3.7` atm

C

`1.85` atm

D

`1.3` atm

Text Solution

Verified by Experts

The correct Answer is:
C
`pi_(f)V_(f) = pi_(1)V_(1)+pi_(2)V_(2)`
`pi_(f) = (1.2 V + 2.5 V)/(2V) = (3.7 V)/(2V)`
`pi_(f) = 1.85 ` atm .
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