Calculate the solubility of MgCO3 in pure water, ksp = 3.5 E=8. Then calculate the solubility of the same MgCO3 in a .010 M Al(NO3)3 solution. Assume there is no other interaction between any of the components of the 2 molecules. You must do an activity coefficient problem here! Extrapolate to the nearest u value to determine "f" from the Table.