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The latent heat of vaporization of water is 9700 cal mol-1 and the boiling point is 100°C. What is the ebullioscopic constant of water?

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Important Questions on Solutions

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The freezing point of an aqueous solution is -0.186°C. What is the elevation of boiling point of the same solution if Kb=0.512 K molality1 and Kf=1.86 K molality1?
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A beaker containing 18 g glucose in 100 g water and another containing 18 g of urea in 100 g water are placed under a bell jar and the air is completely removed. After a course of time, when the equilibrium is reached, how much water will be transferred from one beaker to the other?
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Just sufficient Al2SO43 is added to 0.1 M solution of BaCl2 such that all of it is precipitated as BaSO4 and the volume of the solution is maintained constant. Then:
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The vapour pressure of an ideal solution containing 3 moles of A and 2 moles of B is 600 mm Hg. At the same temperature, if 2 moles of solute A and 1 mole of non-volatile solid solute C are added to this solution, the vapour pressure of the solution increases by 10 mm Hg. Then the vapour pressures of pure A and B (in mm Hg) respectively are:

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A solution of NaClO contains 10 g of NaClO in one litre. The normality of NaClO solution is: Na=23, Cl=35.5, O=16
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The vapour pressure of two volatile liquid mixture is PT=5.3+2XB(in cm of Hg) where XB is the mole fraction of B in mixture. The ratio of mole fraction of A and B in the vapour phase is
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At 100°C, benzene and toluene have a vapour pressure of 600 and 1000 torr respectively. Assuming these two form an ideal solution, calculate the mole fraction of benzene in a solution that boils at 1 atm and 100°C?
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The ratio of ΔTb/Kb of  6% ww AB2 and 9% ww A2B AB2and A2B both are non-electrolytes) is 1 mol/kg in both cases. Hence, atomic masses of A and B are respectively,