Chem-solubility Rules

Question 0

sulfites(SO3 2-)

Answer 0

Insoluble with the exception of those formed with alkali metals and ammonium

Question 1

All salts of the ammonium ion NH4+

Answer 1

Water soluble

Question 2

All salts of alkali metals

Answer 2

Water soluble

Question 3

All metal oxides

Answer 3

Insoluble except those formed with alkali metals and CaO, SrO, and BaO, all of which hydrolyze to form solutions of the corresponding metal hydroxides

Question 4

All salts of the sulfate ion SO4 2-

Answer 4

Water soluble except with those formed with Ca2+, Sr2+, Ba2+, and Pb2+

Question 4

phosphates (PO4 3-)

Answer 4

Insoluble with the exception of those formed with alkali metals and ammonium

Question 6

carbonates (CO3 2-)

Answer 6

Insoluble with the exception of those formed with alkali metals and ammonium

Question 7

All hydroxides

Answer 7

Insoluble with the exception of those forms with the alkali metals Ca2+, Sr2+, and Ba2+

Question 9

sulfides (S 2-)

Answer 9

Insoluble with the exception of those formed with alkali metals and ammonium

Question 10

All chlorides, bromide, and iodides

Answer 10

Water soluble with exceptions of those formed with Ag+, Pb2+, and Hg2 2+