Consider the six different solutions listed in the table below. Solution Number Type of Solution 1 0.90 m MgCl2 2 1.20 m MgCl2 3 0.30 m KCl 4 0.90 m KCl 5 0.30 m glucose 6 1.20 m NaCl (a) Arrange these six solutions in order of decreasing osmotic pressures if the temperature of all solutions is 25°C. (b) If the boiling-point elevations of these solutions were being analyzed in place of osmotic pressures, how would the order in part (a) change?
Consider the six different solutions listed in the table below. Solution Number Type of Solution 1 0.90 m MgCl2 2 1.20 m MgCl2 3 0.30 m KCl 4 0.90 m KCl 5 0.30 m glucose 6 1.20 m NaCl (a) Arrange these six solutions in order of decreasing osmotic pressures if the temperature of all solutions is 25°C. (b) If the boiling-point elevations of these solutions were being analyzed in place of osmotic pressures, how would the order in part (a) change?
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter12: Solutions
Section: Chapter Questions
Problem 12.65QE
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Consider the six different solutions listed in the table below.
| Solution Number |
Type of Solution |
|---|---|
| 1 | 0.90 m MgCl2 |
| 2 | 1.20 m MgCl2 |
| 3 | 0.30 m KCl |
| 4 | 0.90 m KCl |
| 5 | 0.30 m glucose |
| 6 | 1.20 m NaCl |
(a) Arrange these six solutions in order of decreasing osmotic pressures if the temperature of all solutions is 25°C.
(b) If the boiling-point elevations of these solutions were being analyzed in place of osmotic pressures, how would the order in part (a) change?
Expert Solution
Step 1
Colligative properties:
The colligative properties are those properties of solutions that depend on the ratio of the number of solute particles to the number of solvent molecules in a solution, and not on the nature of the solute particles. The number ratio can be related to the molality of the solution. These properties depend on the nature of the solvent.
Colligative properties include:
Relative lowering of vapor pressure (Raoult's law)
Elevation of boiling point
Depression of freezing point
Osmotic pressure
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