\textbf{233-} The sum of the stoichiometric coefficients of the substances in the balanced equation for the oxidation of Fe(II) hydroxide and its conversion to Fe(III) hydroxide, in the rusting process, is which of the following?
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\hspace{2cm} (1) $9$ \hspace{3cm} (2) $11$ \hspace{3cm} (3) $1Y$ \hspace{3cm} (4) $1Y$
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