This online textbook summarizes the unit in organized sections. When you are ready to review, this is a nice layout to do some last minute checking.
Source: Stephen Lower - Simon Fraser University
A series of online quizzes - you pick the topics you need to practice. CLICK HERE
When you feel you are sufficiently prepared, try these practice quizzes to determine what information you may need further study on.
From Modern Chemistry, by Davis & Metcalfe (Holt, Rinehant and Winston)
From Chemistry, by Wilbraham, Staley, Matta & Waterman (Pearson Prentice Hall)
All topics in this review can be found in the Holt textbook chapter 15 and 16. The Ka problems are section 18-3.