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chem
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Rule 1
nitrates NO3- are almost always solulable
Rule 2
Alkali cations are moslty solulable (first column) and ammonium NH4+
Rule 3
Most chlorides, bromides and iodidies are solulable EXCEPT Ag+ Pb2+ and Hg2+
Rule 4
Most sulfates are soluble EXCEPT Ag + , Pb2+ , and Hg22+ and Ca2+ , Sr2+ , Ba2+
Rule 5
Most hydroxides are solulabe except Ca2+ , Sr2+, and Ba2+.