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Question: The osmotic pressure of a 5% (wt/vol) solution of cane sugar at \(150^{o}C\) is ....

The osmotic pressure of a 5% (wt/vol) solution of cane sugar at 150oC150^{o}C is .

A

2.45 atm

B

5.078 atm

C

3.4 atm

D

4 atm

Answer

5.078 atm

Explanation

Solution

C=5342×1100×1000=50342C = \frac{5}{342} \times \frac{1}{100} \times 1000 = \frac{50}{342}mol/l

π=50342×0.082×423=5.07atm\pi = \frac{50}{342} \times 0.082 \times 423 = 5.07atm