Answer to Question #168116 in General Chemistry for Vicente Flores

Question

Which of following five statements below is/are true?  

(i) Solubility of gases usually decreases with increasing temperature.

(ii) Colligative properties depend only on the number of solute particles in solution

(iii) Nonvolatile solutes increase the vapor pressure of a pure solvent

(iv) A 1.0 M aqueous solution of NaCl would have the twice osmotic pressure as a 0.5 M  solution

   of  aqueous NaCl solution at the same temperature

(v) When sucrose, C₁₂H₂₂O₁₁, is dissolved in water the effect is to lower the boiling point of water

   and to increase the freezing point of water

Answer 1

1) True

2) True

3) False

4) True

5) False