Given the unbalanced equation (Reaction 1) and the molecular weight of calcium citrate (498.5 g/mol), if 15 nmol of calcium oxalate is mixed with 15 nmol of potassium citrate, what is the approximate theoretical yield of calcium citrate?
3 CaC₂O₄ + 2 K₃C₆H₅O₇ → Ca₃(C6H5O7)₂+ 3 K₂C₂O₄