# acids/bases

## 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.

## Burning of sulfur to produce sulfur dioxide

Sulfur is burned in a deflagrating spoon in a flask, forming sulfur dioxide in the synthesis reaction.

## Electrolysis of a sodium sulfate solution

An electric current is passed through a sodium sulfate solution. Gases are collected at the electrodes are tested for pH.