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Unformatted text preview: + , K + , Ba 2+ ) which are soluble. 6. Sulfide (S 2-) salts are NOT SOLUBLE -- EXCEPT those also containing: sodium, potassium, ammonium, or barium (Na + , K + , NH 4 + , Ba 2+ ) which are soluble. 7. Carbonate (CO 3 2-) and phosphate (PO 4 3-) salts are NOT SOLUBLE -- EXCEPT those also containing: sodium, potassium, or ammonium (Na + , K + , NH 4 + ) which are soluble. Soluble compounds are defined as those that dissolve to the extent of 1 g or more per 100 g water. NOT soluble compounds are further classified as:-Slightly soluble, which dissolve to the extent of 0.01 g to 1 g per 100 g water.-Difficultly soluble or Insoluble, for which less than 0.01 g per 100 g water will dissolve....
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