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

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2.5 atm

3.7 atm

1.85 atm

1.3 atm

answer is C.

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Detailed Solution

πfVf=π1V1+π2V2πf=1.2V+2.5V2V=3.7V2Vπf=1.85 atm.

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