solubility guidelines

Group 1 Alkali Metals: Salts containing lithium (Li⁺), sodium (Na⁺), potassium (K⁺), etc., are soluble with virtually no exceptions are soluble.

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rule one for soluble ionic compounds

all SODIUM, POTASSIUM, and AMMONIUM salts are soluble

Na, K, NH4

rule 2 soluble ionic compounds

all NITRATES, ACETATES, CHLORATES, and PERCHLORATE are soluble.

NO3

C2H3O2 or CH3COO

ClO3

ClO4

rule 3 soluble ionic compounds

all CHLORIDE, BROMIDE, and IODIDE salts are soluble EXCEPT those containing

Lead, Silver, or Mercury(I) (Hg2²+)

Pb, Ag, Hg

rule 4 soluble ionic compounds

all fluoride salts are soluble except those that contain

Magnesium, calcium, strontium, barium or lead(Mg, Ca, Sr, Ba, Pb)

rule 5 soluble ionic compounds

all SULFATES are soluble except those containing

CALCIUM, SILVER, MERCURY(I), STRONTIUM, BARIUM or LEAD

(Ca, Ag, Hg2²+, Sr, Ba, Pb)

rule 1 not soluble ionic compounds

all HYDROXIDE and OXIDE salts are not soluble EXCEPT those containing

SODIUM, POTASSIUM, ammonium, or barium

rule 2 not soluble ionic compounds

all sulfide salts aren’t soluble EXCEPT those containing

Sodium, potassium, ammonium, or barium

rule 3 not soluble ionic compounds

all CARBONATE, PHOSPHATE, CHROMATE, and OXIDE salts aren’t soluble EXCEPT

those containing

SODIUM, POTASSIUM, or AMMONIUM