0.7g of a solute (molar mmass = 96g/mol) is dissolved in 42g of water the percentage association of solute in water assuming dimerization is :
{ given delta`T_f`=0.2K and `K_f`=1.86K kg/mol]

20 g of a biaryelectrolyte (Molecular mass =100) are dissolved in 500 g of water. The freezing point of the solution is -0.74^(@)C and K_(f)=1.86 K kg mol^(-1) . The degree of ionisation of eletrolyte as :

31g of an unknown molecular material is dissolved in 500g of water . The resulting solution freezes at 271.14K . Calculate the molar mass of the material[Given K_(f) = 1.86 K kg mol^-1 and T_(f)^(@) of water = 273K]

(a) Define the following terms : (i) Mole fraction (ii) Ideal solution (b) 15.0 g of an unknown molecular material is dissolved in 450g of water . The resulting solution freezes at -0.34^(@)C . What is the molar mass of the material ? (K_(f) for water = 1.86 K kg mol^(-1))

A solution of sucrose (molar mass =342 g mol^(-1) ) has been prepared by dissolving 68.5 g of sucrose in 1000 g of water. The freezing point of the solution obtained will be ( K_(f) for water = 1.86K kg mol^(-1) )

A solution of sucrose (molar mass = 342 g mol^(-1)) has been prepared by dissolving 68.5g of sucrose in 1000g of water. The freezing point of the solution obtained will be: (K_(f) for water = 1.86 K kg mol^(-1))