Acids and Bases - Acid and Base Strength (A-Level Chemistry)

Acid and Base Strength

Strength of Acids and Bases

Strong and Weak Acids

The strength of an acid depends on the concentration of hydrogen ions released.

Strong acids like hydrochloric, nitric and sulfuric acid fully dissociate releasing all their hydrogen ions.

Acid and Base Strength
Acid and Base Strength

 

Weak acids, like ethanoic acid, only partially dissociate, releasing some hydrogen ions.

An equilibrium is set up which lies far to the left.

Acid and Base Strength
Acid and Base Strength

 

Strong and Weak Bases

Strong bases, like strong acids, dissociate fully:

Weak bases, like weak acids, partially dissociate.

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