Cobalt(II) Chloride with Sodium Hydroxide

Here, sodium hydroxide (NaOH) is added to cobalt(II) chloride (CoCl₂). The result is a red solution and a blue-green precipitate.
This is an ancillary version.

(duration 27.8 seconds, size 1.3 MB, file name MOVIES/COCL/COCLNAO3.MOV)

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