A rule of thumb for predicting the solubilities of solutes in solvents.

In general, substances that have similar intermolecular forces have strong solute-solvent interactions and tend to form solutions.

Polar compounds dissolve in polar compounds and nonpolar compounds dissolve in nonpolar compunds.


  • Gasoline dissolves grease
  • Salts dissolve in water
  • Grease does not dissolve in water
  • Salt does not dissolve in gasoline
  • Log in or register to write something here or to contact authors.