What is the pH of a solution of a strong monoprotic acid like HCl?
Answer and explanation
Correct answer: D. 4
- Step 1: A strong monoprotic acid such as hydrochloric acid () dissociates completely in water, producing a hydronium ion concentration of .
- Step 2: The is defined mathematically as the negative base-10 logarithm of hydrogen ion activity: .
- Step 3: Substituting gives .
Answer
4.
Why not the others: 3 corresponds to ; 10 is the complementary ; 5 corresponds to .
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- What is the pH of a solution of a strong monoprotic acid like HCl?
- What is the pH of a solution of a strong monoprotic acid like HCl?
- What is the pH of a solution of a strong monoprotic acid like HCl?
- What is the pH of a solution of a strong monoprotic acid like HCl?
- What is the pH of a solution of a strong monoprotic acid like HCl?