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The osmotic pressure of 0.2 molar soluti...

The osmotic pressure of 0.2 molar solution of urea at `27^@C` (R=0.082 litre atm `"mol"^(-1) K^(-1))` is

A

4.92 atm

B

1 atm

C

0.2 atm

D

27 atm

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