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  4. The osmotic pressure of decimolar solution of urea at 27° C is

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Q. The osmotic pressure of decimolar solution of urea at $27^{\circ} C$ is

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Solution:

Decimolar
$M =\frac{1}{10}, T =27^{\circ} C +273$
$ \Rightarrow 300 \,K$
$\pi= i ( CRT )$
For urea $i =1$
$\pi=1 \times \frac{1}{10} \times 0.0821 \times 300$
$\pi=2.4$ bar