Solubility Rules
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15 Terms
Group 1 (Li⁺, Na⁺, K⁺) compounds
Always soluble (no exceptions)
Ammonium (NH₄⁺) compounds
Always soluble (no exceptions)
Nitrates (NO₃⁻)
Always soluble
Acetates (CH₃COO⁻ or C₂H₃O₂⁻)
Always soluble
Chlorates (ClO₃⁻)
Always soluble
Perchlorates (ClO₄⁻)
Always soluble
Chlorides (Cl⁻), Bromides (Br⁻), Iodides (I⁻)
Soluble except with Ag⁺, Pb²⁺, Cu⁺, Hg₂²⁺
Fluorides (F⁻)
Soluble except PbF₂ and Group 2 fluorides
Sulfates (SO₄²⁻)
Soluble except CaSO₄, SrSO₄, BaSO₄, Ag₂SO₄, PbSO₄, Hg₂SO₄
Metal Hydroxides (OH⁻)
Typically insoluble
Exceptions for Hydroxides
Group 1, Ca(OH)₂, Sr(OH)₂, Ba(OH)₂ are soluble
Carbonates (CO₃²⁻)
Insoluble except with Group 1 and NH₄⁺
Chromates (CrO₄²⁻)
Insoluble except with Group 1 and NH₄⁺
Phosphates (PO₄³⁻)
Insoluble except with Group 1 and NH₄⁺
Sulfides (S²⁻)
Insoluble except with Group 1, Group 2, and NH₄⁺
Note 
Flashcards (34)