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SELECTIVE PRECIPITATION OF CATION GROUP I
(2 of 5 - Variations Available)
Adding HCl Forms Precipitate of 3 Chlorides
A white precipitate of Ag, Hg & Pb chloride (AgCl, Hg2,Cl2 & PbCl2) is formed by adding 2M HCl to the solution. Hot water added to the filtered ppt dissolves the PbCl2 while mercury & silver remain in the solid.
Copyright:© 2006 Richard Megna - Fundamental Photographs
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