When hydrogen chloride dissolves in water, its molecules ionize to form ions, which makes hydrogen chloride a(n) acid.
Question
When hydrogen chloride dissolves in water, its molecules ionize to form ions, which makes hydrogen chloride a(n) acid.
Solution
When hydrogen chloride (HCl) dissolves in water, it ionizes to form hydrogen ions (H+) and chloride ions (Cl-). This process can be represented by the following chemical equation:
HCl (aq) -> H+ (aq) + Cl- (aq)
The ability of a substance to ionize and produce hydrogen ions in water is a characteristic of acids. Therefore, hydrogen chloride is an acid. Specifically, because it ionizes completely in water, it is considered a strong acid.
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