Anion

Soluble

Insoluble*

Nitrates (NO3-),
Acetates (CH3COO-)

All common cations No common cations

Chlorides (Cl-)

Most common cations AgCl, HgCl2.
PbCl2 is borderline.

Bromides (Br-)

Most common cations AgBr, HgBr2, PbBr2.

Iodides (I-)

Most common cations AgI, HgI2, PbI2.

Sulfates (SO42-)

Most common cations SrSO4, BaSO4, SnSO4, PbSO4, Ag2SO4.
CaSO4 is borderline.

Hydroxides (OH-)

NaOH, KOH, LiOH, NH4OH, Sr(OH)2, Ba(OH)2.
Ca(OH)2 is borderline. Most common cations

Sulfides (S2-)

Na2S, K2S, Li2S, (NH4)2S, MgS, CaS, BaS, SrS Most common cations

Carbonates (CO32-)

Na2CO3, K2CO3, Li2CO3, (NH4)2CO3 Most common cations

Phosphates (PO42-)

Na3PO4, K3PO4, Li3PO4, (NH4)3PO4 Most common cations

Sulfites (SO32-)

Na2SO3, K2SO3, Li2SO3 Most common cations

	Created by Shy Zvulun over 11 years ago

MYP Chemistry (Solubility) Note on Solubility Rules, Yo!, created by Shy Zvulun on 25/04/2015.

Solubility Rules, Yo!