Solubility Chart
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1Solubility Chart
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If cation is:
Li
, K
, Na
, Rb
, Cs
or NH
Start
4
Otherwise, check anion
Yes
Soluble
-
-
always
Yes
NO
(nitrate) and
C
H
O
(acetate)
3
2
3
2
No
If anion is…..
-
2-
2-
-
Cl
(chloride)
SO
(sulfate)
CO
(carbonate)
OH
(hydroxide)
4
3
-
3-
Br
(bromide)
PO
(phosphate)
4
2-
(iodide)
(sulfide)
I-
S
Soluble, except for:
Soluble, except for:
Insoluble
always
Insoluble, except for:
AgCl, PbCl
, Hg
Cl
,
CaSO
, Ag
SO
,
(except with soluble
• Ba(OH)
which is
2
2
2
4
2
4
2
AgBr, PbBr
, Hg
Br
,
BaSO
, HgSO
, PbSO
cations)
soluble, and
2
2
2
4
4
4
AgI, PbI
, Hg
I
,
which are insoluble
• Ca(OH)
which is
2
2
2
2
which are insoluble
slightly soluble
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