Solubility table
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| Soluble | except |
|---|---|
| NO3– | |
| CH3COO– | |
| NH4+ | |
| any group I cation | |
| Cl– Br– I– | Ag+, Hg22+, Pb2+ |
| SO42– | Sr2+, Ba2+, Hg22+, Pb2+ |
| Insoluble | except* |
| S2– OH– | Ca2+, Sr2+, Ba2+ |
| CO32– | |
| PO43– |
* NH4+ and any group I cations are always soluble!!!