The freezing point of a solution containing 0.1g of `K_3[Fe(CN)_6]` in 100 g of water. `(K_f=1.86 K kg mol^-1)` is

K_4[Fe(CN)_6] is a

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) .

The freezing point of a solution containing 0.3 g of acetic acid in 30.0 g of benzene is lowered by 0.45^@ . Calculate the Van's Hoff factor. (K_f for benzene=5.12K kg mol^-1) .

Calculate the amount of ice that will be separate out on cooling a solution containing 50 g of ethylene glycol in 200 g of water to -9.3^@C . (K_f for water=1.86 Km^-1)

The freezing point of solution containing 0.2 g of acetic acid in 20.0 g of benzene is lowered by 0.45^(@)C . Calculate the degree of association of acetic acid in benzene. (K_(f)=5.12 K^(@) mol^(-1) kg^(-1))

Calculate the boiling point of a solution prepared by adding 15.00 g of NaCl to 250.0 g of water. (K_b for water= 0.512 K kg mol^-1) and molar mass of NaCl= 58.44 g mol^-1

Calculate the freezing point of a one molar aqueous solutoin (density 1.04gL^-1) of KCl. ( K_f of water=1.86Kg mol^-1 , atomic masses of K=39, Cl=35.5)

If sodium sulphate is considered to be compeltely dissociated into cations and anions in aqueous soluton, the change in freezing point of water, when 0.01 mole of sodium sulphate is dissolved in 1 k gof water is (K_f=1.86K kg mol^-1)

The boiling point of a solution containing 1.5 g of a dichlorobenzene in 100 g of benzene was higher by 0.268^@C . Calculate the molar mass of dichlorobenzene (K_b for benzene=2.62 degree molal^(-1)) .