Calculate the mmol of methylene chloride given 4.0mL of methylene chloride in the chart below. Determine the n_D of each of the compounds and define n_D.

\begin{tabular}{|lrcccccc|} \hline \multicolumn{1}{|l|}{ Physical Properties of Reactants } \\ \hline Compound & MW & Amount & mmol & mp(C) & bp(C) & d & nD \\ \hline Aluminum chloride & 133.34 & 150mg & 1.12 & 190 & & & \\ Acetyl chloride & 78.50 & 80L & 1.12 & & 51 & 1.11 & 1.3898 \\ Ferrocene & 186.04 & 100mg & 0.54 & 173 & & & \\ Methylene chloride & & 4.0mL & & & 40 & & \\ \hline \end{tabular}