Created by Tara L. Moore
General Chemistry, 5
th
ed.
Whitten, Davis & Peck
Solubility Rules
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oore
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Na
+
Generally soluble
No common exceptions
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K
+
Generally soluble
No common exceptions
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NH
4
+
Generally soluble
No common exceptions
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Chlorides (Cl
-
)
Generally soluble
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AgCl
Insoluble
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Hg
2
Cl
2
Insoluble
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PbCl
2
Soluble in HOT water
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Bromides (Br
-
)
Generally soluble
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AgBr
Insoluble
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Hg
2
Br
2
Insoluble
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PbBr
2
Insoluble
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HgBr
2
Moderately soluble
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Iodides (I
-
)
Generally soluble
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Many heavy metal iodides
Insoluble
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Sulfates (SO
4
-2
)
Generally soluble
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BaSO
4
Insoluble
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PbSO
4
Insoluble
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HgSO
4
Insoluble
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CaSO
4
Moderately soluble
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SrSO
4
Moderately soluble
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Ag
2
SO
4
Moderately soluble
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Nitrates (NO
3
-1
)
Generally soluble
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Nitrites (NO
2
-1
)
Generally soluble