\textbf{230 -- Which statement is correct?}
\begin{enumerate}
\item The general formula of amino acids is $\text{R}-\text{C}_\gamma\text{H}_\gamma\text{NO}_\gamma$.
\item In the reaction of methylamine with water, the $\text{H}_2\text{O}$ molecule plays the role of a Brønsted acid.
\item Sodium acetate is an acidic salt and turns litmus red.
\item In the hydrolysis of fats, soap and glycerol are formed in a 1:1 molar ratio.
\end{enumerate}