What is the pH of a 0.01 M solution of the strong acid HCl?
Answer and explanation
Correct answer: C. 2
- Step 1: HCl dissociates completely, so [H+] = 0.01 M. Step 2. pH = -log(0.01) = 2. Answer: 2. Why not the others: a pH of 1 needs 0.1 M, 7 is neutral and 12 is basic.
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