E750: Acid Base – pH of Common Household Items

Introduction

The pH of several common household items is observed using universal indicator and pH standards for reference.

To Conduct Demonstration

1. Pour desired household chemicals into separate 50 mL beakers. Add a few drops of universal indicator OR about 25 mL of red cabbage indicator and mix.
2. Compare colors to standard solutions in lighted test tube rack.

Safety 

Goggles must be worn.