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A solution may contain the following ions Ag , Cu 2 , Mn 2 , Ca 2 , and Na . No precipitate formed when 0.10 M NaCl was added but a dark colored precipitate formed when H 2S was added to an acidic portion of the solution. After the removal of the solid the solution was made basic and more H 2S was added and a dark precipitate again formed. Treatment of the filtrate with (NH 4) 2CO 3 resulted in a white precipitate. If no further tests were made then what conclusions can you draw
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A solution may contain the following ions Ag , Cu 2 , Mn 2 , Ca 2 , and Na . No precipitate formed w...
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