\begin{tabular}{|c|c|c|c|} \hline Substance & Mass & Moles & NumberofParticles(atomsormolecules) \\ \hline Ar & & 4.1104 & \\ \hline NO2 & - & & 1.111020 \\ \hline K & 39.0mg & & \\ \hline C8H18 & 4.14kg & & \\ \hline \end{tabular}