Description: Carbon dioxide gas bubbling through limewater produces a precipitate. Sources of carbon dioxide include exhaled breath, alkaseltzer tablets, or dry ice. The precipitate will redissolve if the concentration of carbon dioxide is high enough.

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Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry

Year or vol: 1 page: 329

Keywords: Carbon Dioxide, Precipitates, Equilibrium, Limewater