1. Dissolve 6.5g KOH (potassium hydroxide) in 1600mL water and add several drops of universal indicator. Place in 2000mL graduated cylinder.

An acid-base indicator is a substance that changes color as the pH of the solution changes. Indicators work because they are weak acids which when in solution, exist in equilibrium with their ...

* Found with the antacids in most grocery stores and drugstores. † Make red cabbage indicator: Shred 1-2 red cabbage leaves and freeze 1 hour in a zip-close plastic bag. Add 1/3 cup warm water, reseal ...

Use a cabbage detector to learn how acids (like vinegar) and bases (like soap) change the color of water. Lose the Blues with CO 2 Carbon dioxide is one of life’s most essential gases. Test how much ...

A well-established technique, acid-base titration is an analytical method used to determine the concentration of an unknown acid or base. In practice, it involves adding a solution of known strength ...