Solubility of Substances

Question 1

Group 1 metals
& ammonium salts (NH4[+])

Answer 1

are soluble (with no exception)

Question 2

Nitrate salts (NO3[-])

Answer 2

are soluble (with no exception)

Question 3

Sulfate salts (SO4[2-])

Answer 3

are soluble, except
BaSO4, CaSO4, PbSO4, Ag2SO4

Ag2SO4 is sparingly soluble

Question 4

Chloride salts (Cl[-])

Answer 4

are soluble, except
AgCl, PbCl2

PbCl2 is soluble in hot water

Question 5

Iodide salts (I[-])

Answer 5

are soluble, except
AgI, PbI2

Question 6

Carbonate salts (CO3[2-])

Answer 6

are insoluble, except
group 1 carbonates, ammonium carbonate ((NH4)2CO3)

Question 7

Metal oxides

Answer 7

are insoluble, except
group 1 oxides, barium oxide (BaO), calcium oxide (CaO)

calcium oxide is only slightly soluble

Question 8

Metal hydroxides

Answer 8

are insoluble, except
group 1 hydroxides, barium hydroxide (Ba(OH)2), calcium hydroxide (Ca(OH)2)

calcium hydroxide is only slightly soluble