Solubility Guidelines For Common Ionic Compounds In Water

Question 1

Compounds containing Nitrate (NO3^-)

Answer 1

All soluble

Question 2

Compounds containing Acetate (CH3COO^- or C2H3O2^-)

Answer 2

All soluble

Question 3

Compounds containing Chloride (Cl^-)

Answer 3

Soluble except w/ silver ion (AG^+), Dimercury ion (Hg2^2+), lead ion (Pb^2+)

Question 4

Bromide (Br^-)

Answer 4

Soluble except w/ silver ion (AG^+), Dimercury ion (Hg2^2+), lead ion (Pb^2+)

Question 5

Iodide (I^-)

Answer 5

Soluble except w/ silver ion (AG^+), Dimercury ion (Hg2^2+), lead ion (Pb^2+)

Question 6

Sulfate (SO4^2-)

Answer 6

Soluble except for compounds of Strontium ion (Sr^2+), Barium ion (Ba^2+), Dimercury ion (Hg2^2+), Lead ion (Pb^2+)

Question 7

Sulfide (S^2-)

Answer 7

Insoluble except for compounds contains Ammonium (NH4^+), alkali metal cations, Ca^2+, Sr^2+, and Ba^2+

Question 8

Carbonate (CO3^2-)

Answer 8

Insoluble except for compounds of NH4^+, alkali metal cations

Question 9

Phosphate (PO4^3-)

Answer 9

Insoluble except for compounds contains NH4^+, and the alkali metal cations

Question 10

Hydroxide (OH^-)

Answer 10

Insoluble except for compounds of the alkali metal cations, NH4^+, Ca^2+, Sr^2+, Ba^2+