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What is the solubility rule for nitrates (NO₃⁻) and acetates (C₂H₃O₂⁻)?
All nitrate (NO₃⁻) salts and all acetate (C₂H₃O₂⁻) salts are soluble.
No exceptions.
What is the solubility rule for group 1 (Li⁺, Na⁺, K⁺, Rb⁺, Cs⁺) and ammonium (NH₄⁺)?
All salts containing alkali metal ions (Group 1) and ammonium (NH₄⁺) are soluble.No exceptions.
What is the solubility rule for halides (Cl⁻, Br⁻, I⁻)?
Most halide salts are soluble.
Exceptions:
Halides of silver (Ag⁺), lead (Pb²⁺), and mercury(I) (Hg₂²⁺) are insoluble.
What is the solubility rule for sulfates (SO₄²⁻)?
Most sulfate (SO₄²⁻) salts are soluble.
Exceptions:
Sulfates of Ba²⁺, Ca²⁺, Sr²⁺, Pb²⁺, and Hg₂²⁺ are insoluble.
What is the solubility rule for carbonates (CO₃²⁻), phosphates (PO₄³⁻), and chromates (CrO₄²⁻)?
Most carbonate (CO₃²⁻), phosphate (PO₄³⁻), and chromate (CrO₄²⁻) salts are insoluble.
Exceptions:
Salts of alkali metals (Group 1) and ammonium (NH₄⁺) are soluble.
What is the solubility rule for hydroxides (OH⁻)?
Most hydroxide (OH⁻) salts are insoluble.
Exceptions:
Hydroxides of alkali metals (Group 1), ammonium (NH₄⁺), calcium (Ca²⁺), barium (Ba²⁺), and strontium (Sr²⁺) are soluble.
What is the solubility rule for sulfides (S²⁻)?
Most sulfides (S²⁻) are insoluble.
Exceptions:
Sulfides of alkali metals (Group 1), alkaline earth metals (Group 2 except magnesium), and ammonium (NH₄⁺) are soluble.
What is the solubility rule for fluorides (F⁻)?
Most fluorides (F⁻) are soluble.
Exceptions:
Fluorides of calcium (Ca²⁺), strontium (Sr²⁺), barium (Ba²⁺), and lead (Pb²⁺) are insoluble.
What is the solubility rule for compounds containing lead (Pb²⁺)?
Compounds containing lead (Pb²⁺) are generally insoluble, except for nitrate (Pb(NO₃)₂), acetate, and a few other soluble salts.
