Solubility Questions Flashcard

NO3 –
nitrates are soluble
CH3COO –
acetates are soluble, except AgCH3COO
ClO3 –
chlorates are soluble
Cl-
chlorides are soluble, except AgCl Hg2Cl2 & PbCl2
Br-
bromides are soluble, except AgBr PbBr2 Hg2Br2 & HgBr2
I-
iodides are soluble, except AgI Hg2I2 HgI2 & PbI2
So4 -2
sulfates are soluble, except BaSO4 PbSO4 HgSO4 CaSO4 AgSO4 & SrSO4
Alkali metal cations (Group IA) and ammonium (NH4 +)
soluble
H+
all common inorganic acids and low molecular mass organic acids are soluble
CO3 -2
carbonates are insoluble, except those from group IA and NH +4
CrO4 -2
chromates are insoluble, except those from group IA and NH +4, CaCrO4 and SrCrO4
OH –
hydroxides are insoluble, except from group IA, NH +4, Ba(OH)2, Sr(OH)2, and Ca(OH)2
PO4 -3
phosphates are insoluble except those from group IA and NH +4
SO3 -2
sulfites are insoluble except those from group IA and NH +4
S2 –
sulfides are insoluble except those of groups IA and IIA, and NH +4

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