Auto-ionisation of Water and Kw
This section is auto-ionisation of water and Kw. Water reacts with itself. Kw is on the data sheet: Kw = [H3O+][OH−] = 1 × 10⁻¹⁴ at 298 K. It is not Ka or Kb as the lesson. It is not the pH scale…
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What will I learn in "Auto-ionisation of Water and Kw"?
This section covers Auto-ionisation of Water and Kw as part of Acids and Bases in Grade 12 Physical Sciences. You'll find clear explanations, worked examples, and key definitions aligned to the CAPS curriculum.
Is this section aligned with the CAPS curriculum?
Yes. All notes on Hlayiso, including "Auto-ionisation of Water and Kw", are written against the official CAPS curriculum and ATP for Grade 12 Physical Sciences.
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