Solubility rules

  1. No3- is soluable

  2. Groupe 1 and NH4+ is soluable

  3. Cl-, Br-, I- is soluable except with Ag+, Pb²+, Hg2²+

  4. SO4 is soluable except with BaSO4, PbSO4, Hg2SO4, CaSO4

  5. OH- is insouable, except with NaOH, KOH, Ba(OH)2, Ca(OH)2

  6. S²-, CO3²-, CrO4²-, PO4³- is insoluable excep with metals from rule 2