\textbf{76--} In the chemical formula of aluminum sulfate, which element has the number of electrons involved in bonding 3 times greater than the number of cations compared to anions?
\begin{itemize}
\item[(1)] Sodium carbonate \hspace{1cm} (2) Cobalt(III) oxide \hspace{1cm} (3) Potassium acetate \hspace{1cm} (4) Lithium formate
\end{itemize}