What is vapour pressure of solution containing 0.1 mole solute dissolved in $$1.8 \times 10^{-2} \mathrm{~kg} \mathrm{~H}_2 0$$ ? $$(\mathrm{P}_1^0=24 \mathrm{~mm} \mathrm{~Hg})$$

What is vapour pressure of a solution containing $$1 \mathrm{~mol}$$ of a non-volatile solute in $$36 \mathrm{~g}$$ of water? $$(\mathrm{P}_1^0=400 \mathrm{~mm} \mathrm{Hg}$$)

Which of the following solutions behaves nearly as an ideal solution?

The solution containing $$6 \mathrm{~g}$$ urea (molar mass 60 ) per $$\mathrm{dm}^3$$ of water and another solution containing $$9 \mathrm{~g}$$ of solute $$\mathrm{A}$$ per $$\mathrm{dm}^3$$ water freezes at same temperature. What is molar mass of $$\mathrm{A}$$ ?