Solubility of Ionic Compounds in Water
Precipitate – a solid formed in a solution.
Sparingly Soluble (SpSol) – materials have very low solubilities Hydrolyse (Hyd) – reacts with water
| Always Soluble | Usually Soluble | Usually Insoluble |
| –
All NO3 |
2-
All SO4 EXCEPT Ba, Pb, Ag, Ca |
2-
All CO3 EXCEPT Group 1 |
| +
All NH4 |
All Cl- EXCEPT Ag, Pb | All O2- EXCEPT Group 1 and 2 |
| Group 1 | All I- EXCEPT Ag, Pb | All OH- EXCEPT Group 1;
Ca and Ba are slightly soluble |
| All Br- EXCEPT Ag, Pb |
