Solutions questions
1397 published questions with worked solutions.
- A gaseous mixture of two substances A and B, under a total pressure of 0.8 atm is in equilibrium with an ideal liquid solution....
- 150 g of acetic acid was contaminated with 10.2 g ascorbic acid (C_ 6 H_ 8 O_ 6 ) to lower down its freezing point by (x 10^ -1...
- 2.5 g of protein containing only glycine (C_ 2 H_ 5 NO_ 2 ) is dissolved in water to make 500 mL of solution. The osmotic...
- The vapour pressures of two volatile liquids A and B at 25°C are 50 Torr and 100 Torr, respectively. If the liquid mixture,...
- 1.80 g of solute A was dissolved in 62.5 cm^ 3 of ethanol and freezing point of the solution was found to be 155.1 K. The molar...
- If O_ 2 gas is bubbled through water at 303 K, the number of millimoles of O_ 2 gas that dissolve in 1 litre of water is _____....
- Elevation in boiling point for 1.5 molal solution of glucose in water is 4 K. The depression in freezing point for 4.5 molal...
- At 300 K, an ideal dilute solution of a macromolecule exerts osmotic pressure that is expressed in terms of the height (h) of the...
- Mass of Urea (NH_2CONH_2) required to be dissolved in 1000 g of water in order to reduce the vapour pressure of water by 25% is...
- If the boiling points of two solvents X and Y (having same molecular weights) are in the ratio 2 : 1 and their enthalpy of...
- An aqueous solution of volume 300 cm^3 contains 0.63 g of protein. The osmotic pressure of the solution at 300 K is 1.29 mbar....
- If the degree of dissociation of aqueous solution of weak monobasic acid is determined to be 0.3, then the observed freezing...
- What weight of glucose must be dissolved in 100 g of water to lower the vapour pressure by 0.20 mm Hg? (Assume dilute solution is...
- 0.004 M K_2SO_4 solution is isotonic with 0.01 M glucose solution. Percentage dissociation of K_2SO_4 is _____ (Nearest integer)
- 80 mole percent of MgCl_2 is dissociated in aqueous solution. The vapour pressure of 1.0 molal aqueous solution of MgCl_2 at 38°C...
- Sea water contains 29.25% NaCl and 19% MgCl_2 by weight of solution. The normal boiling point of the sea water is _______°C...
- Solution of 12 g of non-electrolyte (A) prepared by dissolving it in 1000 mL of water exerts the same osmotic pressure as that of...
- The vapour pressure of 30% (w/v) aqueous solution of glucose is _________mm Hg at 25°C. [Given: The density of 30% (w/v), aqueous...
- The total pressure observed by mixing two liquids A and B is 350 mm Hg when their mole fractions are 0.7 and 0.3 respectively....
- The number of units, which are used to express concentration of solutions from the following is______ Mass percent, Mole, Mole...
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