Descritpion
A fast rising column of foam and indicator changes color.

Application
Gas Laws Indicators pH Chemical Change

Theory
Carbon dioxide gas is produced from the reaction of sodium bicarbonate and acetic acid.

Materials
Glacial acetic acid Sodium bicarbonate

Safety
Wear protective gloves, chemical resistant apron and safety goggles

Preparation

1M NaHCO₃ 84 g NaHCO₃ to 1L DI water.

Place a 500 ml graduated cylinder in a dish tub or battery jar. Pour about 50-75 ml of glacial acetic acid in the cylinder. Pour

about 50-75 ml 1 M NaHCO₃ into a beaker. Add indicator to both solutions. Pour the NaHCO₃ into the cylinder.

Disposal
Solution may be poured down the drain and flushed with water.

Reference
California State University, Stanislaus