BaSO4 refers to barium sulfate, which is an insoluble compound composed of barium ions (Ba2+) bonded with sulfate ions (SO42-). It does not readily dissolve or dissociate in water.
Related terms
Solubility: The ability of a substance to dissolve into another substance.
Precipitation Reaction: A reaction where two soluble compounds combine to form an insoluble compound called a precipitate.
Ions: Electrically charged particles formed when atoms gain or lose electrons.