The K_sp of Ca(OH)₂ Is 5

question 13

Multiple Choice

The K_sp of Ca(OH) ₂ is 5.5 × 10^-5 at 25 °C.What is the concentration of OH^-(aq) in a saturated solution of Ca(OH) ₂(aq) ?

• A) 1.9 × 10^-3 M
• B) 7.4 × 10^-3 M
• C) 2.4 × 10^-2 M
• D) 4.0 × 10^-2 M
• E) 4.8 × 10^-2 M