The solubility of radium oxalate RaC2O4 in warm water is 0.0174 mols/Liter. Calculate Ksp for this compound. Radium is a 2nd column element somewhere below calcium.
1. Ksp = 5.184 x 10^-5
2. Ksp = 3.037 x 10^-4
3. Ksp = 6.199 x 10^-6
4. Ksp = 5.072 x 10^-8
5. Ksp = 3.022 x 10^-12