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

15 gm of a substance dissolved in 450 gms of water produces a depression of -0.34^@ C in the freezing point . Calulation the Mol. Wt. of the solid ( K_f for water is 1.86 K kg mol ^(-1) )

How many moles of sucrose should be dissolved in 500gms of water so as to get a solution which has a difference of 104^(@)C between boiling point and freezing point. (K_(f)=1.86 K Kg "mol"^(-1).K_(b)=0.52K Kg "mol"^(-1))