What is the weight of 1 mole of a solute,0.132g of which in 29.7 g benzene gave a freezing point depression of `0.108^@C` ? (`K_f` for benzene = 5.12)

The fraction of phenol dimerised in benzene if 20 g of phenol in 1 kg benzene exhibits a freezing point depression of 0.69 K. ( K_f benzene) =5.12 kkg/mol),(MW of phenol=94)

Of the following 0. 10 m aqueous solutions, which one will exhibit the largest freezing point depression ?

A very small amount of a nonvolatile solute (that does not dissociate) is dissolved in 56.8 cm^3 of benzene (density 0.889 g cm^-3 ). At room temperature, vapour pressure of this solution is 98.88 mm Hg while that of benzene is 100 mm Hg. Find the molality of this solution. If the freezing temperature of this solution is 0.73 degree lower than that of benzene, what is the value of molar freezing point depression constant of benzene ?

2.00 g of non=electrolyte solute dissolved in 100 g of benzene lowered the freezing point of benzene by 0.50K. The freezing point depression constant of benzene is 5.12 K kg mol^(-1) . Find out the relative molar mass of the solute.

1.00 g of a non-electrolyte dissolved in 50.5g of benzene lowered its freezing point by 0.40K. The freezing point depression constant of benzene is "5.12K.kg mol"^(-1) . Find the molecular mass of the solute.

When 20 g of naphthoic acid (C_11H_8O_2) is dissolved in 50 g of benzene , a freezing point depression of 2K is observed. The vant Hoff factor (i) is [ K_f="1.72 K kg mol"^(-1) ]

What is the freezing point of solution containing 3g of a non-volatile solute in 20g of water. Freezing point of pure water is 273K, K_(f) of water = 1.86 Kkg/mol. Molar mass of solute is 300 g/mol. T^(@)-T=K_(f)m

A 0.2 molal aqueous solution of weak acid HX is 20% ionized. The freezing point of solution is ( K_f =1.86 )

The freezing point of benzene decreases by 0.45^(@)C when o.2g of acetic acid is added to 20 g of benzene . If acetic acid associates to form a dimer in benzene, percentage association of acetic acid in benzene will be - ( K_(f) for benzene = 5.12. kg. mol^(-1) )

2g of benzoic acid (C_6H_5COOH) dissolved in 25 g of benzene shows a depression in freezing point equal to 1.62 K. Molal depression constant for benzene is 4.9 k kg mol^-1 . What is the percentage association of acid if it forms dimer in solution ?