The pH of the 1 M HCl is
Correct answer: A. 0
- A. 0
- B. 0.1
- C. 1
- D. 0.2
Explanation
The pH of a solution is calculated as the negative logarithm (base 10) of the hydrogen ion concentration. In the case of 1 M HCl, which is a strong acid, it dissociates completely in water to produce 1 M of hydrogen ions. The pH is therefore -log(1) = 0. Other options are incorrect because they either suggest a misunderstanding of the pH scale or the behavior of strong acids in solution.
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