Given that 24.0 mL of 0.170 M sodium iodide reacts with 0.209 M mercury(II) nitrate solution according to the unbalanced equation given below. Hg(NO3)2(aq) + NaI(aq) = HgI2(s) + NaNO3(aq) (a) What volume of Hg(NO3)2 is required for complete precipitation?