Stephen Lower of Simon Fraser University presents this site on a visual approach to acid-base problems. Lower says that although he still finds it important to teach students to solve acid-base problems algebraically, more work should be done using graphics. Here are some of the reasons he gives against the algebraic method: "1) It can be an awful lot of work. Have you ever noticed that many of...

The first site related to pH is from the Horiba corporate Web site entitled the Story of pH (1). Visitors can learn what pH is and how it's measured, explore various facts about pH, and read several anecdotes such as "Is the Rain in Our Cities Acidic." The site contains simple text, attractive graphics, and a well-designed layout making it fun and easy for anyone to explore. The second site from...