21.2 Some Acids and Bases Are Stronger than Others

Strong Acids Form Lots of Ions

The behavior of acids and bases can be classified as strong or weak. Strong acids donate the hydrogen ion forcefully. Acid strength can be revealed by testing for how many ions are formed when the acid is added to water. Duration: 5:35.

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Weak Acids Form Few Ions

Weak acids are reluctant to donate the hydrogen ion. Few ions form when a weak acid is added to water. Duration: 4:19.

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