Solubility Rules

No3, Group 1 metals, Clo3, and NH4

are generally soluble in water regardless of other conditions.

H+

All common inorganic acids and low molecular mass organic acids are soluble

C2H3O2

All soluble except with Ag+

Cl-

are generally soluble in water, except when combined with Ag+, Pb^2+, or Hg2^2+.

Br-, I-

are generally soluble in water, except when combined with Ag+, Pb^2+, or Hg2^2+, Hg²+

F-

All soluble except with Ca²+, Sr²+, Ba²+, Pb²+, Mg²+

Co3, Po4m So3, C2O4

Insoluble except with Group 1 metals, NH4

CrO4, Cr2O7

Insoluble except witg group 1 metals, NH4, Ca, and Sr

OH-

Insoluble except with Group 1 metals, NH4, Ca, Sr, Ba

S²-

Insoluble except with Group 1 metals, Group 2 metals, and NH4

So4

All except Ca, Sr, Ba, Pb, Hg2²+, Ag