Calcium carbonate is a weakly soluble salt in water whose Ksp is 3.4 x 10^-9 M^2. Consider the following questions regarding the solubility of Calcium carbonate

A. What is the solubility, in grams per liter, of calcium carbonate in pure water?

B. if the solution were prepared in a 0.00625 M calcium nitrate, how much calcium carbonate would dissolve per liter?

C. Consider the following stresses on the system, predict which direction the equilibrium will shift.
1. 0.1 0M hydrochloric acid is added to the solution
2. Lead (II) nitrate solution is added to the solution
3. solid sodium carbonate is added to the solution
4. Pure water is added to the solution
5. some calcium carbonate solid is removed from the solution

D. If 0.00625 M calcium nitrate is mixed with 0.0100M sodium carbonate. Determine the magnitude of QSP and predict whether the mixture will precipitate calcium carbonate or not. If it will precipitate what mass will be produced? If not, what molarity of calcium nitrate is required to reach KSP?