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Molality is defined as

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From the graph, the value of Henry's constant for the solubility of HCl gas in cyclohexane is

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A solution contains 5 moles of X and 5 moles of Y, and has a normal boiling point of 90°C. The vapor pressure of pure X is 300 mm Hg. What is the vapor pressure of pure Y at this temperature?
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Which of the following mixtures shows negative deviation from Raoult's law?
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Which of the following pair shows a positive deviation from Raoult's law?
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The vapour pressure of a solution of glucose is 720 mmHg at 100oC. What is the mole fraction of water in this solution?
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180 g of glucose, C6H12O6 is dissolved in 1 kg of water in a saucepan. At what temperature the solution will boil at 1.013 bar?
Kb for water is 0.52 K kg mol-1)
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Which of the following aqueous solution has highest boiling point? (Assume identical conditions)
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Which one of the following graphs correctly represents change in freezing point as a function of solute concentration?