- [Medium]An azeotropic mixture of ethanol and water boils at:...
- [Easy]The Van't Hoff factor (i) for NaCl in dilute aqueous solution is approximately:...
- [Easy]The solubility of most solid substances in water increases with:...
- [Easy]Which of the following pairs forms an ideal solution?...
- [Medium]When acetic acid is dissolved in benzene, the observed molar mass is approximately twice the expected value. This is due to:...
- [Easy]According to Raoult's law, the relative lowering of vapor pressure is equal to:...
- [Easy]The ebullioscopic constant depends on:...
- [Medium]Iodine distributes itself between water and CCl₄ with a distribution coefficient of 85. If 1 g of I₂ is shaken with 100 mL each of water and CCl₄, the...
- [Hard]A solution has molarity 1 M and density 1.05 g/mL. If the molar mass of solute is 60 g/mol, the molality is approximately:...
- [Easy]Reverse osmosis is used for:...
- [Easy]A solution of urea (molar mass = 60 g/mol) in water freezes at −0.372°C. If Kf for water is 1.86 K kg mol⁻¹, the molality of the solution is:...
- [Easy]According to Henry's law, the solubility of a gas in a liquid is:...
- [Hard]A solution containing 0.5 g of a protein in 100 mL of solution has an osmotic pressure of 1.23 × 10⁻³ atm at 300 K. The molar mass of the protein is: ...
- [Easy]The boiling point elevation constant (Kb) for water is 0.52 K kg mol⁻¹. What is the boiling point of a solution containing 18 g of glucose (C₆H₁₂O₆) i...
- [Medium]The vapor pressure of pure benzene at 298 K is 100 mm Hg. When 2.0 g of a non-volatile solute is dissolved in 78 g of benzene, the vapor pressure drop...