50. Esli to a solution of a metal salt added potassium

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Uploaded: 03.04.2014
Content: him002_50.doc (27 kB)

Description

50. Esli to a solution of a metal salt added potassium iodide, the brown precipitate falls, which turns white when adding Na2S2O3 solution, or Na2SO3. The action on the metal salt solution with hydrogen sulfide formed black precipitate insoluble in hydrochloric acid, but soluble in dilute nitric acid with heating. Determine which is metal.

Additional information

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

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