ROTATION A
Practice Solution Features & Solubility Behavior
1. What is a solution?
2. Define solute and solvent.
3. Name a solution YOU can make at home. No salt or sugar water allowed. Identify the solvent and solute.
4. List 3 properties of a true solution.
5. List 3 properties of a colloid.
6. List 3 properties of a suspension.
7. A transparent solution that does not display the Tyndall effect is likely a:
( TRUE SOLUTION / COLLOID SOLUTION / SUSPENSION )
8. Define the term solvation. When the solvent is water the specific term for solvation is_______________
9. What is an aqueous solution?
10. What is an electrolyte?
11. Describe the difference between a strong electrolyte and a weak electrolyte.
12. List three compounds that are probably strong electrolytes. Only one can contain sodium.
13. List two pairs of liquids that YOU know of that are miscible. List two pairs of liquids that are immiscible.
ROTATION B
Practice Solution Features & Solubility Behavior
14. What rule of thumb is useful for predicting if a substance will dissolve into another?
15. List two compounds that are polar but not gases.
16. List two compounds (common names are OK) that are nonpolar and not gases. One must be solid.
17. Benzene does not dissolve in water. Describe the polarity of benzene.
18. An unknown compound is put into water. The substance does not dissolve in water.
Is it considered soluble or insoluble? _______________
Will it conduct electricity? ________________________
Do you think it is polar or nonpolar? ________________
19. What is the difference between the solubility of a solute and the rate of solubility of a solute?
20. For each action, write whether it would increase (I), decrease (D), or have no effect (N), on the solubility of
the solid solute.
a. Decreasing the temperature of the solution ________
b. Decreasing the pressure over the solution ________
c. Adding a nonpolar solute to a polar solvent ________
21. For each action, write whether it would increase (I), decrease (D), or have no effect (N), on the solubility of
the gaseous solute.
a. Placing a soda in the refrigerator ________
b. Increasing the temperature of the solution _______
c. Decreasing the pressure around the solution _______
22. For each action, write whether it would increase (I), decrease (D), or have no effect (N), on the RATE of
solubility of the solute.
a. Using a teaspoon of granulated sugar instead of a sugar cube _______
b. Heating up a sugar and tea solution _______
c. Stirring solid copper sulfate into water _______
23. Pressure only affects the solubility of _______________