Post-UTME Chemistry 2008 Objective — Question 6
Question 6 of 10 from the Post-UTME Screening (Post-UTME) Chemistry 2008 Objective paper, with the correct answer and a full explanation.
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The pOH of a solution of 0.25 mol dm⁻³ of hydrochloric acid is
- A. 12.40
- B. 13.40Correct
- C. 14.40
- D. 14.60
Explanation
pH=-log(0.25)≈0.60; pOH=14-0.60≈13.40.
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