Assignment:
The Ksp for Fe(OH)2 is 1.8 x 10-11. Will a precipitate form if an 0.4M solution of FeCl2, has its pH raised to 8.3?
What is the solubility of Mg+2 in 0.03M HF? Ka for hydrofluoric acid is 6.6 x 10-4. The Ksp for magnesium fluoride is 3.7 x 10-8
Also, Complete the following reactions:
a. H2PO4^- +H^+ ->
Provide complete and step by step solution for the question and show calculations and use formulas.