14.12—Define the terms ‘pKa’ and ‘pKw’

Be able to define the terms ‘pKa’ and ‘pKw’.

Use —define the terms ‘pka’ and ‘pkw’ to connect the rule to the data and decision in the question.

This matters because —define the terms ‘pka’ and ‘pkw’ determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply —define the terms ‘pka’ and ‘pkw’ to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: —Define the terms ‘pKa’ and ‘pKw’ is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.