Calculate the boiling point of solution when 2 g of `Na_2SO_4` `(M=142gmol^-1)` was dissolved in 50 g of water, assuming `Na_2SO_4` undergoes complete ionization. `(K_b for water=0.52 K kg mol^-1)`.

18 g of glucose is dissolved in 1 kg of water. At what temperature will the solution boil ? ( K_b for water is 0.52 K kg "mol"^(-1) )

Calculate the molality of a solution containing 5.3 g of anhydrous Na2CO3 in 400 g water .

Calculate the boiling point of one molar aquesous solution (density 1.03gmL^-1) of NaCl. K_b for water= 0.52Km^-1 .

Ethylene glycol (molar mass = 62gmol^-1) is a common automobile antifreeze. Calculate the freezing point of a solution containing 12.4 g of this substance in 100 g of water. Would it be advisable to keep this substance in car radiator during summer? (K_f for water=1.86Km^-1 and K_b for water=0.512Km^-1) .

Calculate the amount of CaCl_(2) (molar mass = 111g "mol"^(-1) ) which must be added to 500 g of water of lower its freezing point by 2K, assuming CaCl_(2) is completely dissociated. (Kf for water = 1.86 k kg "mol"^(-1) ).

18g of glucose , C_6H_(12)O_6 (Molar mass=180g mol^-1 ) is dissolved in 1000g (1kg) of water in a sauce pan . At what temparature will water boil at 1.013 bar? K_b for water is 0.52K kg mol^-1 . Water boils at 373.15K at 1.013bar pressure.

Determine the osmotic pressure of a solution prepared by dissolving 25 mg of K_2SO_4 in 2 litre of water at 25° C, assuming that it is completely dissociated.

Calculate the mass %of sodium in sodium sulphate (Na2SO4).