how i morally distance list latex?

this initial latex doc. controlling latex8.sty i'm perplexing consolidate 5 buttress table. i've commented out all nonetheless introdution table. i pdf shows introduction nonetheless table. any tips?

\begin{tabular}{|ll||l|c|r|rr}
 mass&a1&a2&fprime1&fprime2\\
 \hline
 70g&0.988m/s^2&-2.79m/s^2&467.364n&424.02n\\
 80g&1.36m/s&-2.81m/s^2&3.84n&427.12n\\
 90g&1.70m/s^2&-2.74m/s^2&471.5n&416.48n\\
 100g&1.84m/s^2&-2.76m/s^2&491.12n&419.52n\\
 150g&3.11m/s^2&-2.88m/s^2&530.78n&437.76n\\\hline
\end{tabular}