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AP Chemistry
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.
The ability of a substance to dissolve into another substance.
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.