[" The amount of urea to be dissolved in "500ml" of water "(K_(i)=1.86^(@)C/m" for water ")],[" to produce "a" depression of "0.186^(@)C" in freezing point is "]

The amount of urea to be dissolved in 500 cc of water (K_(f)=1.86 ^(@)C kg mol"^(-1)) to produce a depresssion of 0.186^(@)C in the freezing point is :

The amount of urea to be dissolved in 500 cc of water (K_(f)=1.86) to produce a depresssion of 0.186^(@)C in the freezing point is :

The amount of urea to be dissolved in 500 cc of water (K_(f)=1.86) to produce a depresssion of 0.186^(@)C in the freezing point is :

The amount of urea to be dissolved in 500mL of water (K=18.6 K mol^-1 100 g solvent) to produce a depression of 0.186^@C in freezing point is:

How many grams of sucrose (molecular weight 342) should be dissolved in 100 g water in order to produce a solution with 105^(@)C difference between the freezing point and the boiling point ? (K_(b) =0.51^(@)C m^(-1) , (K_(f) =1.86^(@)C m^(-1))