Quizlet

Flashcards: AP Chemistry: Solubility Rules for Common Ionic Compounds in Water

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alkali metal ion compoundssoluble
NH4^1+ (ammonium)soluble
C2H3O2^1- (acetates)soluble (exception: AgC2H3O2 is moderately soluble.)
NO3^1- (nitrates)soluble
HCO3^1- (bicarbonates)soluble
ClO3^1- (chlorates)soluble
ClO4^1- (perchlorates)soluble
halidessoluble (exceptions: of Ag^1+, Hg2^2+, Pb^2+)
SO4^2- (sulphates)soluble (exceptions: of Ag^1+. Ca^2+. Sr^2+. Ba^2+, Hg2^2+, Hg^2+, Pb^2+)
CO3^2- (carbonates)insoluble (exception: with alkali metals or NH4^1+ [ammonium])
CrO4^2- (chromates)insoluble (exception: with alkali metals or NH4^1+ [ammonium])
F- (fluorides)insoluble (exception: with alkali metals or NH4^1+ [ammonium])
PO4^3- (phosphates)soluble (exception: with alkali metals or NH4^1+ [ammonium])insoluble (exception: with alkali metals or NH4^1+ [ammonium])
SO3^2- (sulphites)insoluble (exception: with alkali metals or NH4^1+ [ammonium])
S^2- (sulphides)insoluble (exception: with alkali metals, NH4^1+ [ammonium], Ca^2+, Sr^2+, Ba^2+)
O^2- (oxides)insoluble (exception: alkali metals, NH4^1+ [ammonium], Ca^2+, Sr^2+ or Ba^2+ will react with water)
OH- (hydroxides)insoluble (exceptions: with alkali metal ions or Ba^2+; Sr(OH)2 and Ca(OH)2 are moderately soluble)