Solutions questions
1397 published questions with worked solutions.
- An aqueous solution of a substance of molecular weight 240 has osmotic pressure 0.2 atm at 300 K. The concentration (in g/dm^3)...
- The osmotic pressure of a solute is 600 mm at 300 K. The solution is diluted and the temperature is raised to 400 K and the...
- A complex is represented as CoCl_3 XNH_3. Its 0.1 molal solution in water shows T_F=0.558 ,^ C. K_f of H_2O is 1.86 K molality^...
- How many g of glucose must be present in 0.5 litre of a solution for its osmotic pressure to be the same as that of 8 g glucose...
- A solution of 6.2 g ethylene glycol in 55 g H_2O is cooled to -3.72 ,^ C. The ice separated from the solution is: (K_f H_2O=1.86...
- The osmotic pressure (in atm) of a solution obtained on mixing each 50 mL of 1.2% urea solution and 2.4% glucose solution at 300...
- A solution of liquids A and B having vapour pressure in pure state P_A^0 and P_B^0. The solution contains 30% mole of A which is...
- 'n' moles of a non-electrolyte are added to 'N' moles of solvent. The addition causes a lowering in the vapour pressure of the...
- If the freezing point of a 0.01 molal aqueous solution of a cobalt(III) chloride-ammonia complex (which behaves as a strong...
- Boiling point of CHCl_3 was raised by 0.29 K when 0.5 g anthracene was dissolved in 35 g CHCl_3. Molecular mass of anthracene is...
- How many of the following mixtures behave as ideal solutions? i. n-Hexane + n-heptane ii. Bromoethane + chloroethane iii. Acetone...
- The van't Hoff factor for 0.01 m K_2SO_4 solution is 2.70. The degree of dissociation is ___%.
- If a solute undergoes trimerization in solution, the minimum value of the van't Hoff factor is___
- 500 g of a solution of KMnO_4 labelled 5% W/W will contain _____ g of KMnO_4.
- Acetic acid dissolved in benzene shows a molecular weight of _____ times larger than that of the actual molecular weight of...
- A 1000 g toothpaste sample has 200 mg fluoride ion concentration. What is the concentration of F^- in ppm?
- 0.5 M NaCl aqueous solution is isotonic with ___% W/V aqueous solution of urea. (Molar mass of urea = 60 g mol^ -1 )
- The vapour pressures of pure benzene and toluene are 150 and 50 mmHg respectively. The mole fraction of toluene in the vapour...
- The osmotic pressure of a solution containing 6 g of urea (molar mass = 60 g mol^ -1 ) in 1 L of solution at 27 ,^ C is ______...
- One litre aqueous solution containing 400 g of a protein is isotonic with one litre aqueous solution containing 1.80 g of...
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