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

As an example, the equilibrium of a weak acid can be represented but the equation below where HA is a weak acid and A- is its conjugate base. HA → H+ + A- Universal indicator is a wide range indicator ...

Is it an acid, base, or neutral? Make your own acid-base indicator from red cabbage, then test various household substances. Acids and bases are classes of materials that have different properties.