Purdue University - Acid-Base Pairs, Strength of Acids and Bases, and pH
Purdue University - Factors that Control the Relative Strengths of Acids and Bases
Great, comprehensive treatment of the strength of acids and bases.
Purdue University - pH, pOH, and KaPurdue University - Factors that Control the Relative Strengths of Acids and Bases
Nice discussion to help understanding of why some acids and bases are strong and others are weak.
Topic Resources
20 questions
figures for classroom presentation