Prelab for Experiment 18 pH Measurements of Common Substances

Name ___________________________

Partner __________________________

1. pH is based on the concentration of which principle ion?

2. Identify two gases whose pH will be tested when added to water?

3. Identify two substances that should be diluted before testing their pH.

4. What is the molarity of the most dilute HCl solution to be tested?

5. Does alkaline imply basic or acidic conditions?