Solubility Rules

Front

What is the solubility rule for sulfides (S^2-) in relation to alkali metals and alkaline earth metals?

Back

Sulfides are generally insoluble, except for those of alkali metals (e.g., Na2S, K2S) and BaS.

Front

What is the solubility of hydroxides in water?

Back

Most hydroxides are insoluble, except for those of alkali metals and some alkaline earth metals like Ba(OH)2.

Front

What is the solubility of potassium hydroxide (KOH)?

Back

Potassium hydroxide (KOH) is soluble in water.

Front

What is the solubility of potassium permanganate (KMnO4)?

Back

Potassium permanganate (KMnO4) is soluble in water.

Front

What is the solubility of magnesium hydroxide (Mg(OH)2)?

Back

Magnesium hydroxide (Mg(OH)2) is generally considered insoluble.

Front

What is the solubility of zinc hydroxide (Zn(OH)2)?

Back

Zinc hydroxide (Zn(OH)2) is insoluble in water.

Front

What is the general rule for the solubility of nitrates (NO3-) in water?

Back

Nitrates are generally soluble in water.

Front

What is the solubility of chlorides (Cl-) in water?

Back

Most chlorides are soluble, except for those of silver (AgCl), lead (PbCl2), and mercury (Hg2Cl2).

Front

What is the solubility of carbonates (CO3^2-) in water?

Back

Most carbonates are insoluble, except for those of alkali metals and ammonium (NH4+).

Front

What is the solubility of sulfates (SO4^2-) in water?

Back

Most sulfates are soluble, except for those of barium (BaSO4), lead (PbSO4), and calcium (CaSO4).