Pregunta:
Testing for water
Autor: (Sean) Sean HollowayRespuesta:
Cobalt (II) chloride: Anhydrous or ‘dehydrated’ (and pure) cobalt (II) chloride is blue. When water is present in anhydrous cobalt (II) chloride it turns pink, becoming hydrous cobalt (II) chloride.
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Autor
(Sean) Sean Holloway