An aqueous solution of urea has a freezing point of \( -0.515^{\circ} \mathrm{C} \). Predict the...

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An aqueous solution of urea has a freezing point of \( -0.515^{\circ} \mathrm{C} \). Predict the osmotic pressure (in \( \mathrm{atm} \) ) of the same solution at \( 37^{\circ} \mathrm{C} \).
(Given : \( \left.K_{f\left(\mathrm{H}_{2} 0\right)}=1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right) \)
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