The OH^- concentration in a 1.0 * 10^-3 M Ba(OH)₂ solution is A) 0.50 * 10^-3 M. B) 1.0 * 10^-3 M. C) 2.0 * 10^-3 M. D) 1.0 * 10^-2 M. E) 0.020 M.

Question

Quizplus · Accepted Answer

Barium hydroxide, Ba(OH)2, dissociates into one Ba2+ ion and two OH- ions for each formula unit that dissolves. Therefore, the concentration of OH- ions will be twice the concentration of the Ba(OH)2 solution, making it 2.0 × 10^-3 M.

The OH- Concentration in a 1

The OH^- Concentration in a 1