Homework Help: chemistry

Posted by Anonymous on Sunday, September 5, 2010 at 11:38am.

cobalt chloride forms pink crystals. when they are heated water is evolved an they turn blue. can you please explain how you could ue cobalt chloride as a test of water.

chemistry - bobpursley, Sunday, September 5, 2010 at 11:41am
I would put the crystals in a porous vessel, with a see thru window. Blue means wet.
chemistry - DrBob222, Sunday, September 5, 2010 at 2:52pm
Doesn't blue mean dry; pink means wet?

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