14.7—The pH of a strong acid

Be able to calculate the pH of a strong acid.

Use —the ph of a strong acid to connect the rule to the data and decision in the question.

This matters because —the ph of a strong acid determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply —the ph of a strong acid to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: —The pH of a strong acid is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.