Question

The osmotic pressure of 0.2 molar solution of urea at 300 K (R = 0.082 litre atm $mol^{-1} K^{-1})$ is

• A. 4.92 atm
• B. 1 atm
• C. 0.25 atm
• D. 27 atm

Answer 1

Answer: (A)

4.92 atm

Answer 2

$\pi = \frac{0.2 \times 0.082 \times 300}{1.0 }$ = 4.92 atm.