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salt

acid-base reactions
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News •

Live updates: Donald Trump tries to break GOP impasse on Medicaid, SALT in 'big, beautiful bill' • May 20, 2025, 4:17 PM ET (The Hill)
Republican tensions escalate to a boiling point on 'SALT' tax fight in Trump's big bill • May 14, 2025, 11:44 PM ET (NBC)
SALT Republicans to make final push at Ways and Means lunch • May 7, 2025, 11:16 PM ET (Politico)
House GOP to start drilling down on SALT relief in high-stakes meeting • May 1, 2025, 5:39 AM ET (Politico)

salt, in chemistry, substance produced by the reaction of an acid with a base. A salt consists of the positive ion (cation) of a base and the negative ion (anion) of an acid. The reaction between an acid and a base is called a neutralization reaction. The term salt is also used to refer specifically to common table salt, or sodium chloride. When in solution or the molten state, most salts are completely dissociated into negatively and positively charged ions and are good electrolytes (conductors of electricity).

The Editors of Encyclopaedia BritannicaThis article was most recently revised and updated by Erik Gregersen.