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What is the solubility rule for nitrate (NO₃⁻) salts?
Most nitrate salts are soluble.
What is the solubility rule for Group 1A (alkali metal) salts and ammonium (NH₄⁺) salts?
Most are soluble.
What is the solubility rule for chloride (Cl⁻), bromide (Br⁻), and iodide (I⁻) salts?
Most are soluble, except those containing Ag⁺, Pb²⁺, or Hg₂²⁺.
What is the solubility rule for sulfate (SO₄²⁻) salts?
Most are soluble, except BaSO₄, PbSO₄, Hg₂SO₄, and CaSO₄.
What is the solubility rule for hydroxide (OH⁻) salts?
Most are only slightly soluble. NaOH and KOH are soluble; Ba(OH)₂ and Ca(OH)₂ are marginally soluble.
What is the solubility rule for sulfide (S²⁻), carbonate (CO₃²⁻), chromate (CrO₄²⁻), and phosphate (PO₄³⁻) salts?
Most are only slightly soluble, except those containing Group 1A cations or NH₄⁺.