1. Chapter 15 Solutions

2. EXIT Copyright © by McDougal Littell. All rights reserved.2 Figure 15.1: Dissolving of solid sodium chloride.

3. EXIT Copyright © by McDougal Littell. All rights reserved.3 Figure 15.2: Polar water molecules interacting with positive and negative ions of a salt.

4. EXIT Copyright © by McDougal Littell. All rights reserved.4 Figure 15.3: The ethanol molecule contains a polar O—H bond.

5. EXIT Copyright © by McDougal Littell. All rights reserved.5 Figure 15.3: The polar water molecule interacts strongly with the polar O—H bond in ethanol.

6. EXIT Copyright © by McDougal Littell. All rights reserved.6 Figure 15.4: Structure of common table sugar.

7. EXIT Copyright © by McDougal Littell. All rights reserved.7 Figure 15.5: A molecule typical of those found in petroleum.

8. EXIT Copyright © by McDougal Littell. All rights reserved.8 Figure 15.6: An oil layer floating on water.

9. EXIT Copyright © by McDougal Littell. All rights reserved.9 Figure 15.7: Steps involved in the preparation of a standard aqueous solution.

10. EXIT Copyright © by McDougal Littell. All rights reserved.10 Figure 15.8: Process of making 500 mL of a 1.00 M acetic acid solution.

11. EXIT Copyright © by McDougal Littell. All rights reserved.11 Figure 15.9: A bubble in the interior of liquid water surrounded by solute particles and water molecules.

12. EXIT Copyright © by McDougal Littell. All rights reserved.12 Figure 15.10: Pure water.

13. EXIT Copyright © by McDougal Littell. All rights reserved.13 Figure 15.10: Solution (contains solute).