# acids/bases

## Electrolysis of hydrochloric acid solution

Electrolysis of a hydrochloric acid solution produces oxygen at the anode and hydrogen at the cathode.

## Electrolysis of hydrochloric acid solution with indicator

In aqueous hydrochloric acid, the electrolyzed solution is acidic at both electrodes.

## Electrolysis of sodium hydroxide solution

Electrolysis of a sodium hydroxide solution produces oxygen at the anode and hydrogen at the cathode.

## Electrolysis of sodium hydroxide solution with indicator

In aqueous sodium hydroxide, the electrolyzed solution is basic at both electrodes.

## Electrolysis of sodium chloride solution

Electrolysis of a sodium chloride solution produces oxygen at the anode and hydrogen at the cathode.

## Electrolysis of sodium chloride solution with indicator

In neutral sodium chloride, base is produced at the cathode and acid at the anode.

## Titration of acetic acid

A simple titration with acetic acid and sodium hydroxide is performed.

## Titration of hydrochloric acid

A simple titration with hydrochloric acid and sodium hydroxide is performed.

## Titration of sulfuric acid

A simple titration with sulfuric acid and sodium hydroxide is performed.

## Loss of mass of marble due to reaction with nitric acid

The effect of nitric acid on marble chips is demonstrated.