BRAINCAKECalculating the pH of a Weak Acid
Weak acids only partially dissociate in aqueous solution.
CH3COOH(aq) &rlhar H+(aq) + CH3COO-(aq).
In general for a weak acid HA
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Key terms in this lesson
- pH
- A measure of the hydrogen ion concentration of a solution, defined as pH = -log10[H+].
- weak acid
- An acid that only partially dissociates into its ions in aqueous solution.
- acid dissociation constant Ka
- The equilibrium constant for the dissociation of a weak acid in aqueous solution.
More in Acids, Bases and Buffers
- Strong and Weak Acids and Bases
- The Acid Dissociation Constant Ka
- pH
- Calculating the pH of a Strong Acid
- The Ionic Product of Water Kw
- Calculating the pH of a Strong Base
- Buffer Solutions
- pH of a Buffer Solution
All 15 lessons in Acids, Bases and Buffers · All OCR A-level Chemistry topics