BRAINCAKECalculating the pH of a Strong Base
The strength of a base is its ability to dissociate and generate OH- ions in solution. Strong bases are alkalis. They dissociate completely to give hydroxide ions and cations. For example, sodium hydroxide is a strong base.
NaOH(aq) → Na+(aq) + OH-(aq)
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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+].
- ionic product of water Kw
- The equilibrium constant for the dissociation of water, Kw = [H+][OH-], equal to 1.0 x 10^-14 mol2dm-6 at 25 degrees C.
More in Acids, Bases and Buffers
- pH
- Calculating the pH of a Strong Acid
- Calculating the pH of a Weak Acid
- The Ionic Product of Water Kw
- Buffer Solutions
- pH of a Buffer Solution
- Controlling the pH of Blood
- Titration Curves
All 15 lessons in Acids, Bases and Buffers · All OCR A-level Chemistry topics