Because of the slightly solubility, 0.59mg/L. of Ba3(PO4)2 all of the Ba2- and (PO4)3- do not precipitate from solution.
a. How many milligrams and moles of Ba3(PO4)2 dissolve in 200mL of solution?
b. How does this loss affect the reported percent excess reactant in the original salt mixture? Explain.