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JAMB Chemistry 2000 Question 24

Question 24

Acids, Bases and Salts

The pOH of a solution of 0.25 mol dm−3 of hydrochloric acid is

  1. A.12.40
  2. B.13.40
  3. C.14.40
  4. D.14.60
Show the answer and explanation

Answer: B (13.40)

Explanation

pH = −log 0.25 = 0.60, so pOH = 14 − 0.60 = 13.40.