Question

Find out the osmotic pressure of 0.25 M aqueous solution of urea at ${27}^{o}C$ (R = 0.082 litre atm $K^{-1}mo{l}^{-1}$).

• A. 6.157 atm
• B. 0.615 atm
• C. 0.0615 atm
• D. 61.5 atm

Answer 1

The correct option is A 6.157 atm

$\pi =CRT$
$=0.25\times 0.0821\times 300=6.157atm$