A storage battery contains a solution of `H_2SO_4 38%` by weight. At this concentration, van't Hoff factor is 2.5. At what temperature will the battery contents freeze? (`k_f` for water = `1.86 K kg mol^-1`)

A solution contains 5.6 gm of glucose in 1000 gm of water. Calculate the boiling point of the solution. ( k_b for water = 0.52 K kg mol^-1 )

A 0.5 percent aqueous solution of KCl was found to freeze at 272.76K. Calculate the Van't Hoff factor and degree of dissociation of the solute at this concentration (K_(f)" for water = 1.86 k.kg.mol"^(-1)) . Normal molar mass of KCl = 74.5.

What is the normality of 90% solution of H_2SO_4 of specific gravity 1.84 ?

What is the normality of 96% solution of H_2SO_4 od specific gravity 1.84?

The temperature of a city was found tobe -9.30^@C . A car was used, whose radiator was filled with 5 L of water. What quantity of anti freezing agent ethylene glycol were added to water of radiator in order to use the car for travelling ? ( K_f of water 1.86 K kg mol^-1 )

For a dilute solution containing 2.5 g of a non-volatile non-electrolyte solute in 100 g water, the elevation of boiling point at 1 atm pressure is 2°C. Assuming concentration of solute is much lower than the concentration of solvent, determine the vapour pressure (mm Hg) of the solution. [Given: k_b for water = 0.76K-kg- mol^(- 1) ]

A solution of 2.44xx10^-3 kg of a nonelectrolyte solute dissolved in 0.075 kg of water boiled at 100.413^@C . Calculate the molecular mass of the solute. K_b for water = 0.52 K kg mol^-1

A water sample contains 9.5% MgCl_2 and 11.7% NaCl (by weight). Assuming 80% ionisation of each salt boiling point of water will be ( K_b = 0.52 )

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