Question Detail
Question
Calculate the pH of a 0.0005 M solution of Ba(OH)₂, a strong base.
Correct Answer
Option B is the correct answer.
Detailed Explanation
[OH⁻] = 2 × 0.0005 = 0.0010 M. pOH = -log(0.0010) = 3.00. pH = 14.00 - 3.00 = 11.00.
Hint
Ba(OH)₂ provides 2 OH⁻ ions per formula unit.