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 ... base. HA → H+ + A- Universal indicator is a wide range indicator and is composed of several different ...

A pH or acid-base indicator is a compound that changes color depending on the pH of the substance that is added to it. Acids and bases make pH indicators turn different colors. Two substances that ...

Acids and bases are classes of materials that have different properties. Acid-base indicators change color depending on whether they are in acids or bases. Red cabbage leaves contain a substance ...

Use a measuring cylinder to add dilute hydrochloric acid to a beaker ... liquid to a piece of universal indicator paper on a white tile. Wait 30 seconds, then match the colour to a pH colour ...