Reading Focus Questions

September 23

4.2

1.    Know what a solute and solvent is.

2.    What is an electrolyte?

3.    What must be present in a solution in order for that solution to conduct a current?

4.    Complete this sentence:  The more ions that are in a solution, the more the solution will conduct a current.  Therefore it must be true that _______ (strong or weak?) electrolytes result in more ions being present in solution.

5.    Which species dissociate more when dissolved in water:  strong electrolytes or weak electrolytes?

4.5

6.    Recall the categories of reactions presented on September 18.  Into which category does "precipitation" reaction fall?

7.    Why is the reaction at the bottom of page 101 more accurate than the reaction above it?

8.    Why is it that the '2' that is a subscript in the formula for potassium chromate becomes a coefficient in more accurate representation at the bottom of the page?

9.    The information on pages 102 and 103 is both interesting and useful.  Read it through carefully as it does a good job of describing what's happening.

10.    Memorize the rules given in Table 4.1.

11.    Is the process called 'dissolving' the same as the process called 'dissociating'?