Solutions questions
1397 published questions with worked solutions.
- The molality of 2% (w/w) aqueous solution of H_2SO_4 is _______ m.
- A solution containing 62 g ethylene glycol in 250 g of water is cooled to -10 ,^ C. If K_f for water is 1.86 K kg mol^ -1 , the...
- At the same temperature, 0.1 M urea is isotonic with _____ M NaCl.
- How many of the following are colligative properties? i. Osmotic pressure of a solution ii. Radioactivity of a substance iii....
- The depression of freezing point of a 2% aqueous solution of a substance A is equal to the depression of freezing point of a 4%...
- Vapour pressure of a pure solvent is 100 mm Hg. When a certain amount of nonvolatile, non-electrolyte solute is added to it, its...
- How many grams of urea (M.W. 60 g mol^ -1 ) should be dissolved in 100 g of water in order to form a solution with a difference...
- At 88 ,^ C, benzene has a vapour pressure of 900 torr and toluene has a vapour pressure of 360 torr. Assuming that benzene and...
- A solution is prepared by adding 2.5 g of a non-electrolyte solute in 100 g of benzene. The solution freezes at 4.5 ,^ C. The...
- 2 g of a non-volatile, non-electrolyte solute is dissolved in 100 g of two different solvents X and Y whose K_b values are in the...
- 36 g glucose (C_6H_ 12 O_6) is added to 176.4 g water. The vapour pressure of water (in torr) for this aqueous solution at 100 ,^...
- The freezing point of a 2 molal aqueous solution of a non-electrolyte is _______°C. (K_f of water =1.86 K kg mol^ -1 )
- The vapour pressure of pure benzene at a certain temperature is 650 mmHg. A non-volatile and non-electrolyte solid weighing 1.54...
- The depression of freezing point of a solution of 0.22 molal aqueous solution of a non-electrolyte is 0.41 ,^ C. The molal...
- Aqueous solution containing 2.20 mol urea in 0.50 kg of water will have the same boiling point as that of an aqueous solution...
- Consider equimolal aqueous solutions of the following compounds: Urea, Glucose, NaCl, Na_2SO_4, Sugar, Al_2(SO_4)_3, K_2SO_4. How...
- An aqueous dilute solution containing non-volatile non-electrolyte solute boils at 100.104 ,^ C. The molality of the solution is...
- When 0.2 mole of urea is dissolved in 100 g of a solvent, the depression of freezing point is 0.50 ,^ C. When 0.3 mole of a...
- When 2.6 g of a non-volatile, non-electrolyte solute 'X' is dissolved in 100 g of water, the aqueous solution freezes at -0.403...
- The boiling points for aqueous solutions of glucose and urea are the same. If 4 g of urea is dissolved in 1 litre of solution,...
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