Solubility guidelines

Question 1

(+) All salts containing … are water-soluble.

Answer 1

ammonium (NH4+) and alkali metal (Group 1) cations

Question 2

(-) All salts containing … are water-soluble.

Answer 2

nitrate (NO3-) and acetate (CH3COO-) anions

Question 3

Cl,Br,I are soluble except for… those with

Answer 3

Ag+, Hg2 2+, Pb2+

Question 4

SO4 2- except for

Answer 4

Hg2 2+, Sr2+, Ba2+, Pb2+,

Question 5

All * are insoluble, with the exception of those formed with the alkali metals and ammonium.

Answer 5

carbonates (CO3 2-), phosphates (PO4 3-)

Question 6

S and OH- are insoluble except for…

Answer 6

ammonium, alkali metal cations, Ca, sr, ba