Solutions questions
1397 published questions with worked solutions.
- 1.46 g of a biopolymer dissolved in a 100 mL water at 300 K exerted an osmotic pressure of 2.42 10^ -3 bar. The molar mass of the...
- 1 kg of 0.75 molal aqueous solution of sucrose can be cooled up to –4°C before freezing. The amount of ice (in g) that will be...
- 40 g of glucose (Molar mass = 180) is mixed with 200 mL of water. The freezing point of solution is ——— K. (Nearest integer)...
- Which one of the following 0.10 M aqueous solutions will exhibit the largest freezing point depression ?
- If a compound AB dissociates to the extent of 75% in an aqueous solution, the molality of the solution which shows a 2.5 K rise...
- 1 molal aqueous solution of an electrolyte A_2B_3 is 60% ionised. The boiling point of the solution at 1 atm is ________K....
- When 3.00 g of a substance 'X' is dissolved in 100 g of CCl_4, it raises the boiling point by 0.60 K. The molar mass of the...
- CO_2 gas is bubbled through water during a soft drink manufacturing process at 298 K. If CO_2 exerts a partial pressure of 0.835...
- 83 g of ethylene glycol dissolved in 625 g of water. The freezing point of the solution is ________K. (Nearest integer) [Use :...
- Of the following four aqueous solutions, total number of those solutions whose freezing point is lower than that of 0.10 M...
- When 12.2 g of benzoic acid is dissolved in 100 g of water, the freezing point of solution was found to be –0.93°C (K_f(H_2O) =...
- 224 mL of SO_2(g) at 298 K and 1 atm is passed through 100 mL of 0.1 M NaOH solution. The non-volatile solute produced is...
- The osmotic pressure of blood is 7.47 bar at 300 K. To inject glucose to a patient intravenously, it has to be isotonic with...
- A company dissolves 'x' amount of CO_ 2 at 298 K in 1 litre of water to prepare soda water. X = _____ 10^ -3 g. (nearest integer)...
- The depression in freezing point observed for a formic acid solution of concentration 0.5 mL L^ -1 is 0.0405°C. Density of formic...
- Solute A associates in water. When 0.7 g of solute A is dissolved in 42.0 g of water, it depresses the freezing point by 0.2°C....
- The elevation in boiling point for 1 molal solution of non-volatile solute A is 3 K. The depression in freezing point for 2 molal...
- The osmotic pressure exerted by a solution prepared by dissolving 2.0 g of protein of molar mass 60 kg mol^ -1 in 200 mL of water...
- 1.22 g of an organic acid is separately dissolved in 100 g of benzene (K_b = 2.6 K kg mol^ -1 ) and 100 g of acetone (K_b = 1.7 K...
- 20% of acetic acid is dissociated when its when 5 g is added to 500 mL of water. The depression in freezing point of such water...
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