Solubility Rules Flashcard

NO^–₃

all nitrates are soluble

CH₃COO^–

all acetates are soluble except AgCH₃COO^–

ClO^–₃

all chlorates are soluble

Cl^–

all chlorides are soluble except AgCl, Hg₂Cl₂, PbCl₂

Br^–

all bromides are soluble except AgBr, Hg₂Br₂, HgBr₂, and PbBr₂

I^–

all iodides are soluble except AgI, Hg₂I₂, HgI₂, and PbI₂

SO^2-₄

all sulfates are soluble except BaSO₄, PbSO₄, Hg₂SO₄, CaSO₄, Ag₂SO₄, and SrSO₄

Group IA cations (Li, Na, K, Rb, Cs, Fr) and NH^+₄

all are soluble

H⁺

all are soluble

CO^2-₃

all carbonates are insoluble except Group IA elements and NH^+₄

CrO^2-₄

all chromatess are insoluble except Group IA elements, NH^+₄, CaCrO₄, and SrCrO₄

OH^–

all hydroxides are insoluble except Group IA elements, NH^+₄, Ba(OH)₂, Sr(OH)₂, and Ca(OH)₂

PO^3-₄

all phosphates are insoluble except Group IA elements and NH⁺₄

SO^2-₃

all sulfites are insoluble except Group IA elements and NH⁺₄

S^2-

all sulfides are insoluble except Group IA/IIA elements and NH⁺₄

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