Question: Unlabeled test tubes contain solid AlCl3 6H2O in one, Ba(OH)2 8H2O in another, and MgSO4 7H2O in the other. How could you

Unlabeled test tubes contain solid AlCl3 ∙ 6H2O in one, Ba(OH)2 ∙ 8H2O in another, and MgSO4 ∙ 7H2O in the other. How could you find out what is in each test tube, using chemical tests that involve only these compounds plus water?

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