211 -- A mixture of benzaldehyde and a compound with the structure $$\text{HO}-\!\!\!\!\diagdown\!\!\!\!\diagup$$ [Figure: a cyclic alcohol structure]is completely burned inside a closed container. If the amount of water produced is $7.8$ moles and $\text{CO}_2$ produced is $9.4$ moles, the mole percent of benzaldehyde in this mixture is determined. From burning each of the two compounds, $\text{CO}_2(\text{g})$ and $\text{H}_2\text{O}(\text{l})$ are formed. $$(\text{H}=1,\ \text{C}=12,\ \text{O}=16\ \text{: g.mol}^{-1})$$
[(1)] $15$
[(2)] $20$
[(3)] $25$
[(4)] $30$
\textbf{211 -- A mixture of benzaldehyde and a compound with the structure}
$$\text{HO}-\!\!\!\!\diagdown\!\!\!\!\diagup$$
\textit{[Figure: a cyclic alcohol structure]} \textbf{is completely burned inside a closed container. If the amount of water produced is $7.8$ moles and $\text{CO}_2$ produced is $9.4$ moles, the mole percent of benzaldehyde in this mixture is determined. From burning each of the two compounds, $\text{CO}_2(\text{g})$ and $\text{H}_2\text{O}(\text{l})$ are formed.}
$$(\text{H}=1,\ \text{C}=12,\ \text{O}=16\ \text{: g.mol}^{-1})$$
\begin{enumerate}
\item[(1)] $15$
\item[(2)] $20$
\item[(3)] $25$
\item[(4)] $30$
\end{enumerate}
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