1777, Lavoisier - acids have oxygen
***HCl has no oxygen!***
1810, Davy - acids have hydrogen
1838, Liebig - an acid is a compound containing hydrogen that can react with a metal to produce hydrogen gas
1884, Arrhenius - provided the first theory for the behavious of acid/base in solution
ARRHENIUS
When acids/bases/salts dissolve in WATER ONLY they PARTIALLY/COMPLETELY dissociate into charged particles (ions)
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