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always soluble
group 1, ammonium, nitrate, acetate, bicarbonate, chlorate
insoluble
carbonate, chromate (exception: Ca2+, Mg2+), phosphate, sulfide, oxide and hydroxide (exception: CBS)
Cl-, Br-, I- solubility exceptions
Ag+, Pb2+, Hg22+
F- solubility exceptions
Pb2+, CBS, Mg2+
sulfate solubility exceptions
Ag+, Pb2+, Hg22+, CBS
strong acids
HCl, HBr, HI, HNO3, HClO4, H2SO4, HClO3, HIO4
strong bases
OH- of all group 1-2 except Be2+