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Solubility Rules

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Solubility Rules
1All compounds containing alkali metal cations and the ammonium ion are soluble.
2All compounds containing NO3-, ClO4-, ClO3-, and C2H3O2- anions are soluble.
3All chlorides, bromides, and iodides are soluble except those containing Ag+, Pb2+, or Hg22+.
4All sulfates are soluble except those containing Hg22+, Pb2+, Sr2+, Ca2+, or Ba2+.
5All hydroxides are insoluble except compounds of the alkali metals, Ca2+, Sr2+, and Ba2+.
6All compounds containing PO43-, S2-, CO32-, and SO32- ions are insoluble except those that also contain alkali metals or NH4+.


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