Chemistry A-Level
Kw expression and units
What Kw expression and units means in Chemistry A-Level, as defined for AQA.
Definition of Kw expression and units
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Reference: AQA
The expression is Kw = [H⁺][OH⁻], with units mol² dm⁻⁶, and at 298 K Kw = 1.00 × 10⁻¹⁴.
Topics that use Kw expression and units
- The ionic product of water, Kw (A-level only) (AQA A-Level)
Related terms
Using Kw expression and units in the exam
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