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chemistry
solubility rules
| Question | Answer |
|---|---|
| Soluble or not? NO3- compounds | always soluble |
| Soluble or not? C2H3O2- compounds | always soluble |
| Soluble or not? Cl- compounds | Usually soluble. Except when chloride Cl- combines with silver, mercury or lead. Ag+ Hg2^2+ and Pb2+ |
| Soluble or not? silver chloride | insoluble silver chloride |
| Soluble or not? Mercury(I) chloride | insoluble mercury chloride |
| Soluble or not? lead(II) chloride | insoluble lead chloride |
| Soluble or not? Bromide compounds | Usually soluble. Except with silver, mercury and lead. |
| Soluble or not? Silver bromide | Insoluble silver bromide |
| Soluble or not? Mercury(I) bromide | Insoluble mercury bromide |
| Soluble or not? Lead(II) bromide | Insoluble lead bromide |
| Soluble or not? Iodide compounds | Usually soluble like chlorides and bromides except with silver, mercury or lead |
| Soluble or not? Sulfates SO4^2- | Usually soluble. Except when sulfates are combined with strontium, barium, mercury or lead. |
| Soluble or not? Barium sulfate | Insoluble. |
| Soluble or not? Mercury(II) sulfate | Insoluble |
| Soluble or not? Lead(IV) sulfate | Insoluble |
| Soluble or not? Sulfide compounds | Usually insoluble. Except when combined with ammonium, alkali metal cations, calcium, strontium and barium |
| Soluble or not? BaS | soluble |
| Soluble or not? Na2S | soluble |
| Soluble or not? (NH4)2S | soluble |
| Soluble or not? SrS | soluble |
| Soluble or not? CaS | soluble |
| Soluble or not? Carbonates CO3^2- | Usually carbonates are insoluble. Except when combined with ammonia and alkali metal cations. |
| Soluble or not? (NH4)2CO3 | soluble |
| Soluble or not? Na2CO3 | soluble |
| Soluble or not? BaCO3 | insoluble |
| Soluble or not? Phosphates PO4^3- | Usually phosphates are insoluble. Except with ammonium ions and alkali metals. |
| Soluble or not? (NH4)3PO4 | soluble |
| Na3P04 | soluble |
| Soluble or not? Hydroxides | usually insoluble. Except when hydroxides are combined with alkali metal cations, ammonium, calcium, strontium, barium |