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Solubility of Group 1A compounds and NH₄⁺
All compounds are soluble, with no exceptions.
Solubility of nitrates (NO3-), acetates (C2H3O2-) , and perchlorates (ClO4-)
All are soluble, with no exceptions.
Solubility of chlorides (Cl-), bromides (Br-) , and iodides (I-)
All are soluble, except with Ag⁺, Pb²⁺, and Hg₂²⁺.
Solubility of sulfates (SO4²-)
All are soluble, except with Ba²⁺, Sr²⁺, Pb²⁺, Ca²⁺, and Hg₂²⁺.
Solubility of carbonates (CO3²-), phosphates (PO4³-), and sulfites (SO3²-)
All are insoluble, except with Group 1A and NH₄⁺.
Solubility of hydroxides (OH-)
All are insoluble, except with Group 1A, NH₄⁺, Ca²⁺, Sr²⁺, and Ba²⁺ (slightly soluble).
Solubility of sulfides (S^2-)
All are insoluble, except with Group 1A, Group 2A, and NH₄⁺.