Solubility rules -2024

Alkali metals ( Li+, Na+, K+)

Alkali metals ( Li+, Na+, K+)

always soluble

ammonium(NH4+)

always soluble

Nitrate (NO3-)

always soluble

acetate (C2H3O2–)

always soluble

Chloride (Cl -)

Soluble, except Ag+, Hg2^2+, Pb2+

Bromide (Br-)

Soluble, except Ag+, Hg2^2+, Pb2+

Iodide (I-)

Soluble, except Ag+, Hg2^2+, Pb2+

Sulfate (SO4 2-)

Soluble, except Ca2+, Sr2+, Ba2+, and Pb2+

Sulfide (S 2-)

Insoluble, except with Li+, Na+, K+, NH4+, Ca2+, Sr2+, Ba2+

Hydroxide (OH-)

Insoluble, except with Group 1 metals, Ca2+, Ba2+, Sr2+, & NH4+

CO3²-

Insoluble, except with Li+, Na+, K+, NH4+

PO4³-

Insoluble, except with Li+, Na+, K+, NH4+