Answers to Ksp Practice Sheet

Pardon the formatting – blogs aren’t really set up for Chemistry.

1a. Ksp = [Fe³⁺][OH^-]³
1b. Ksp = [Ca²⁺]³[AsO₄^3-]²
2. Ksp = 1.2 x 10^-7
3. Solubility = 3.0 x 10^-5 mol/L
4. Solubility = .27g MgCO₃/L
5. [Hg₂²⁺] = 5.0 x 10^-8 M
6a. Yes, PPT (Q = 4.5 x 10^-6)
6b. Yes, PPT (Q = 4.9 x 10^-5)
7. No PPT (Q = 2.5 x 10^-12)
8. Yes, PPT (Q = 3.7 x 10^-5)

Advertisement