204- To completely burn 4.6 g of liquid butane, how many liters of oxygen gas are needed at STP? How many grams of a 50\% aqueous solution of hydrogen peroxide (with the molar ratios of water and oxygen) are obtained? (Read from right to left; $H = 1,\ C = 12,\ O = 16\ \text{g.mol}^{-1}$)
\textbf{204-} To completely burn 4.6 g of liquid butane, how many liters of oxygen gas are needed at STP? How many grams of a 50\% aqueous solution of hydrogen peroxide (with the molar ratios of water and oxygen) are obtained? (Read from right to left; $H = 1,\ C = 12,\ O = 16\ \text{g.mol}^{-1}$)
\begin{enumerate}
\item[(1)] $81/6\ ,\ 13/44$
\item[(2)] $62/4\ ,\ 13/44$
\item[(3)] $81/6\ ,\ 16/86$
\item[(4)] $62/4\ ,\ 16/86$
\end{enumerate}
\begin{center}
\textit{Calculation Space}
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