Solubility chart

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Template:Short description Script error: No such module "For". A solubility chart is a chart describing whether the ionic compounds formed from different combinations of cations and anions dissolve in or precipitate from solution.

Chart

The following chart shows the solubility of various ionic compounds in water at 1 atm pressure and room temperature (approx. Template:Cvt). "Soluble" means the ionic compound doesn't precipitate, while "slightly soluble" and "insoluble" mean that a solid will precipitate; "slightly soluble" compounds like calcium sulfate may require heat to precipitate. For compounds with multiple hydrates, the solubility of the most soluble hydrate is shown.

Some compounds, such as nickel oxalate, will not precipitate immediately even though they are insoluble, requiring a few minutes to precipitate out.[1]

Key
S highly soluble or miscible ≥20 g/L
sS slightly soluble 0.1~20 g/L
I relatively insoluble <0.1 g/L
R reacts with or in water —
? unavailable —
Ions names and symbols Halogens Chalcogens Pnictogens Crystallogens
Fluoride
F− 		Chloride
Cl− 		Bromide
Br− 		Iodide
I− 		Perchlorate
Template:Chem/link 		Oxide
O2− 		Hydroxide
OH− 		Sulfide
S2− 		Sulfate
Template:Chem/link 		Nitrate
Template:Chem/linkTemplate:Efn 		Phosphate
Template:Chem/link 		Carbonate
Template:Chem/linkTemplate:Efn 		Cyanide
CN− 		Thiocyanate
SCN− 		Acetate
Template:Chem/link 		Oxalate
Template:Chem/link
Hydrogen H+ S S S S S N/A N/A sS S S S S S S S S
Ammonium Template:Chem/linkTemplate:Efn S S S S S STemplate:Efn S R S S S S S S S S
Lithium Li+ sS S S S S R S R S S sS sS S S S S
Sodium Na+ S S S S S R S R S S S S S S S S
Potassium K+ S S S S sS R S R S S S S S S S S
Rubidium Rb+ S S S S sS R S R S S S S S S[2] S S
Caesium Cs+ S S S S sS R S R S S S S S S S S
Beryllium Be2+ S S S R S[3] I I R S S I sS R S[4] S S
Magnesium Mg2+ sS S S S S R I R S S I sS R S[5] S sS
Calcium Ca2+ I S S S S R sS R sS S I I R S[6] S sS
Strontium Sr2+ sS S S S S R sS R sS S sS I S S[7] S I
Barium Ba2+ sS S S S S R S R I S I[8] sS S S S I
Aluminium Al3+ sS S S STemplate:Efn S[9] I I R S S I R R S[10] S I
Gallium Ga3+ I S S R S[9] I I R sS S I R R S[11] S ?
Manganese(II) Mn2+ sS S S S S[12] I I I S S I I S S[13] S I
Iron(II) Fe2+ sS S S S S I I I S S I I S S S sS
Cobalt(II) Co2+ sS S S S S[14] I I I S S I I I S S I
Nickel(II) Ni2+ S S S S S I I I S S I I I S S I[1]
Copper(II) Cu2+ sS S S ? S I I I S S I ITemplate:Efn I I S I
Zinc Zn2+ sS S S S S[15] I I I S S I I I S[16] S I
Cadmium Cd2+ S S S S S[17] I I I S S I I sS sS[16] S I
Mercury(II) Hg2+ R S sS I S[18] I I I R S I I S sS S sS[19]
Vanadium(III) V3+ I S S S S[20] I I I sS S I ? ? S ? ?
Chromium(III) Cr3+ sS S S S S I I I S S I I S S S ?
Iron(III) Fe3+ STemplate:Efn S S R S[21] I I I S S sS R[22] S S[23] S[24]Template:Efn sS
Gold(III) Au3+ R S sS ? ? I I I ? ? I I S ? sS ?
Tin(II) Sn2+ S S S S S[25] I I I S ? I I ? I[26] R sS
Lead(II) Pb2+ sS sS sS sS S I sS I I S I I sS sS S I
Silver Ag+ S I I I S I I I sS S I I I I sS I
Mercury(I) Template:Chem/link R I I I S[27] I ? ? sS STemplate:Efn ? I I ? S[28]Template:Efn ?
  Fluoride
F− 		Chloride
Cl− 		Bromide
Br− 		Iodide
I− 		Perchlorate
Template:Chem/link 		Oxide
O2− 		Hydroxide
OH− 		Sulfide
S2− 		Sulfate
Template:Chem/link 		Nitrate
Template:Chem/linkTemplate:Efn 		Phosphate
Template:Chem/link 		Carbonate
Template:Chem/linkTemplate:Efn 		Cyanide
CN− 		Thiocyanate
SCN− 		Acetate
Template:Chem/link 		Oxalate
Template:Chem/link

See also

Notes

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References

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