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JAMB - Chemistry (2024 - No. 88)

The term strong and weak acids is used to indicate the 
number of H\(^+\) released by an acid
number of OH\(^-\) released by an acid
extent of ionization of an acid
strength of its action on substance

Paaiškinimas

The terms "strong" and "weak" are used to describe the extent to which an acid dissociates into ions in an aqueous solution.

  • Strong acid: An acid that completely dissociates into ions in water. For example, hydrogen chloride (HCl) is a strong acid because it ionizes completely into hydrogen ions and chloride ions in water. 

  • Weak acid: An acid that only slightly dissociates into ions in water. For example, acetic acid is a weak acid because it only dissociates about 5% into ions in water

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