Question Detail
Question
Calculate the pH of a 0.0050 M solution of Ba(OH)₂, a strong base.
Correct Answer
Option B is the correct answer.
Detailed Explanation
[OH⁻] = 2 × 0.0050 = 0.010 M. pOH = -log(0.010) = 2.00. pH = 14.00 - 2.00 = 12.00.
Hint
Remember that Ba(OH)₂ produces 2 OH⁻ ions per formula unit.