Calculate the boiling point of a 1M aqueous solution (density 1.04 g `Ml^(-1)`) of Potassium chloride` (K_(b) " for water "=0.52 K kg "mol"^(-1)," Atomic mass ":K=39u, CI=39.9 u)` Assume, Potassium chloride is completely dissociated in solution.

Calculate the b.pt. of 1 molar aqueous solution of KBr. Given that the density of solution is 1.06 gmL^(-),K_(b) , for water is 0.52 K kg "mol"^(-) [Atomic mass of K = 39. Br=80]

Calculate the boiling point of urea solution when 6 g of urea is dissolved in 200 g of water. ( K_(b) for water = 0·52 K kg mol^(-1) , boiling point of pure water = 373 K, mol.wt. of urea = 60)

Calculate the freezing point of a solution containing 60 g glucose (Molar mass = 180 g mol^(-1) ) in 250 g of water . ( K_(f) of water = 1.86 K kg mol^(-1) )

Elevation in boiling point of an aqueous solution of urea is 0.52 ( k_(b) "for water"=0.52K"molality"^(-1)) . The mole fraction of urea in this solution is :

Calculate the freezing point of 1 molal NaCl solution assuming NaCl to be 100% dissociated in water. ( K_(f) for water = 1.86^(@)"mol"^(-) ).

The lowering in freezing point of 0.75 molal aqueous solution NaCI (80% dissociated) is [Given, K_f, for water 1.86 K kg mol^(-1)]

Calculate elevation in boiling point for 2 molal aqueous solution of glucose. (Given K_b(H_(2)O) = 0.5 kg mol^(-1) )

Calculate the boiling point of solution when 4g of Mg SO_(4) (M=120g "mol"^(-1)) was dissolved in 100g of water, assuming MgSO_(4) undergoes complete ionization (K_(b) " for water " = 0.52 K " kg mol"^(-1))

The elevation in boiling point of a solution of 9.43 g of MgCl_2 in 1 kg of water is ( K_b = 0.52 K kg mol^(-1) , Molar mass of MgCl_2 = 94.3 g mol^(-1) )

A molecule A_(x) dissovle in water and is non volatile. A solution of certain molality showed a depression of 0.93K in freezing point. The same solution boiled at 100.26^(@)C . When 7.87g of A_(x) was dissovled in 100g of water, the solution boiled at 100.44^(@)C . Given K_(f) for water =1.86K kg "mol"^(-1) . Atomic mas of A=31u . Assume no association or dissociatioin of solute. Calculate the value of x ........