Calculate the depression in freezing point of water when 20g of `CH_3CH_2CHClCOOH` is added to 500g of water. (Given `Ka=1.4xx10^(-3)K_f=1.86`)

Calculate the depression in the freezing point of water when 10 g of CH_3CH_2CHClCOOH is added to 250 g of water. K_a = 1.4xx10^-3 , K_f = 1.86 K kg mol^-1 .

Assuming complete dissociation, calculate the expected freezing point of a solution prepared by dissolving 6g of Na_2SO_4 .10H_2O~ in 0.1 kg of water ( k_f for water= 1.86)

Calculate the freezing point of an aqueous solution containing 10.50g of MgBr_2 = 184g, K_f for water = 1.86 K kg mol^-1 .

calculate the temperature which a solution containing 54g of glucose C_6H_12O_6) in 250g of water will freeze (K_f for water = 1.86 K mol^-1 kg)

Ethylene glycol (molar mass = 62gmol^-1) is a common automobile antifreeze. Calculate the freezing point of a solution containing 12.4g of this substance in 100g of water. Would it be advisable to keep this susbtance in the car radiators during summer? Given K_f for water = 1.86 K kg//mol K_b for water = 0.612 K kg//mol

Calculate the boiling point of a solution prepared by adding 15.00g of NaCl to 250g water. (K_b for water = 0.512 K kg mol^-1, molar mass of NaCl, 58.44g mol mol^-1 .

Calculate the mass percentage of aspirin (C_9H_8O_4) in acetonitrile (CH_3CN) when 6.5g of C_9H_8O_4 is dissolved in 450g of CH_3CN .

Calculate the amount of NaCl which must be added to one kilogram of water so that the freezing point of water is depressed by 3K (Given K_f = 1.86KKg mol^(-1) )

Calculate the mass of CO_2 in 500 mL of soda water when packed unde 2.5 atm CO_2 pressure at 298K. Given that density of water is 1g mL^-1 and Henry's law constant for CO_2 in water is 1.67xx10^8 Pa at 298K.

On dissolving 19.5g CH_2F COOH in 500g of water, a depression of 1^@C in freezing point of water is observed. Calculate the vant Hoff factor and dissociation constant of Fluoroacetic acid. (Given, K_f = 1.86 K kg mol^-1)