Solubility Rules

Solubility Rules

1. All common compounds of Group I and ammonium ions argon soluble.
2. All treats, acetates, and chlorates be soluble.
3. All binary compounds of the halogens (other than F) with metals argon soluble, except those of Ag, Hg(I), and Pb. Pb halides atomic number 18 soluble in juicy water.)
4. All sulfates are soluble, except those of barium, strontium, calcium, lead, silver, and mercury (I). The latter trey are slightly soluble.
5. Except for rule 1, carbonates, hydroxides, oxides, silicates, and phosphates are insoluble.
6. Sulfides are insoluble except for calcium, barium, strontium, magnesium, sodium, potassium, and ammonium.

Solubility Rules for Ionic Compounds in Water

fat-soluble Salts
1. The Na+, K+, and NH4+ ions form soluble salts. Thus, NaCl, KNO3, (NH4)2SO4, Na2S, and (NH4)2CO3 are soluble.
2. The nitrate (NO3-) ion forms soluble salts. Thus, Cu(NO3)2 and Fe(NO3)3 are soluble.
3. The chloride (Cl-), bromide (Br-), and iodide (I-) ions generally form solubl
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4. The sulfate (SO42-) ion generally forms soluble salts. Exceptions let in BaSO4, SrSO4, and PbSO4, which are insoluble, and Ag2SO4, CaSO4, and Hg2SO4, which are slightly soluble.





Insoluble Salts
1. Sulfides (S2-) are commonly insoluble. Exceptions include Na2S, K2S, (NH4)2S, MgS, CaS, SrS, and BaS.
2. Oxides (O2-) are usually insoluble. Exceptions include Na2O, K2O, SrO, and BaO, which are soluble, and CaO, which is slightly soluble.
3. Hydroxides (OH-) are usually insoluble. Exceptions include NaOH, KOH, Sr(OH)2, and Ba(OH)2, which are soluble, and Ca(OH)2, which is slightly soluble.
4. Chromates (CrO42-) are usually insoluble. Exceptions include Na2CrO4, K2CrO4, (NH4)2CrO4, and MgCrO4.
5. Phosphates (PO43-) and carbonates (CO32-) are usually insoluble. Exceptions include salts of the Na+, K+, and NH4+ ions.If you want to get a full essay, order it on our website: Ordercustompaper.com



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