digits.
\begin{tabular}{|c|c|c|}
\hline\( \left[\mathrm{N}_{2}\right] \) & {\( \left[\mathrm{H}_{2}\right] \)} & initial rate of reaction \\
\hline 0.684 M & 2.06 M & \( 8.00 \mathrm{M} / \mathrm{s} \) \\
\hline 0.684 M & 0.731 M & \( \square \mathrm{M} / \mathrm{s} \) \\
\hline 0.178 M & 7.93 M & \( \square \mathrm{M} / \mathrm{s} \) \\
\hline
\end{tabular}