Solubility Rules

Front

What are solubility rules?

Back

Solubility rules are guidelines used to predict whether a given ionic compound will dissolve in water.

Front

What is the solubility of sodium acetate (NaC2H3O2)?

Back

Sodium acetate is soluble in water.

Front

What is the solubility of lead(II) iodide (PbI2)?

Back

Lead(II) iodide is insoluble in water.

Front

What is the solubility of iron(II) sulfide (FeS)?

Back

Iron(II) sulfide is insoluble in water.

Front

What is the solubility of nickel(II) chloride (NiCl2)?

Back

Nickel(II) chloride is soluble in water.

Front

What is the solubility of silver chloride (AgCl)?

Back

Silver chloride is insoluble in water.

Front

Which ions are generally soluble in water?

Back

Nitrate (NO3-), acetate (C2H3O2-), and alkali metal ions (Li+, Na+, K+, etc.) are generally soluble.

Front

Which compounds are generally insoluble in water?

Back

Most sulfides (S2-), carbonates (CO3^2-), and phosphates (PO4^3-) are generally insoluble, except when paired with alkali metals or ammonium.

Front

What is the exception to the solubility of halides?

Back

Halides (Cl-, Br-, I-) are generally soluble, except for those of Ag+, Pb2+, and Hg2^2+.

Front

What is the solubility of barium sulfate (BaSO4)?

Back

Barium sulfate is insoluble in water.