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If 1 gm of solute dimerise upto 75% in 100 gm of H2O & show depression in freezing point 0.093°C. Find average molecular weight of solute after dimerisation (Kf (H2O) 1.86)
What would be the molality of 20 % (mass/mass) aqueous solution of KI ?
(molar mass of KI = 166 g mol–1)
The osmotic pressure of a dilute solution of an ionic compound XY in water is four times that of a solution of 0.01 M BaCl2 in water. Assuming complete dissociation of the given ionic compounds in water, the concentration of XY (in mol L–1) in solution is :
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352 videos|596 docs|309 tests
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