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  • Consider the complete combustion of butane, the amount of butane utilized to produce  of water is________ <img alt="\times 10^{-1} \mathrm{~

Consider the complete combustion of butane, the amount of butane utilized to produce  72.0 \mathrm{~g} of water is________ \times 10^{-1} \mathrm{~g}. (in nearest integer)
 

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The combustion of Butane is given as

\mathrm{C_{4}H_{10}+\frac{13}{2}\, O_{2}\rightarrow 4\ CO_{2}+5\ H_{2}O}

Now, moles of \mathrm{H_{2}O} present in 72 g = 4

\mathrm{\therefore moles \, of \ Butane\, required= \frac{4}{5}}

\begin{aligned} \therefore \text { mass of Butane required } &=\frac{4}{5} \times 58 \\ &=46.4 g \\ &=464 \times 10^{-1} g \end{aligned}

Hence, the answer is 464

Posted by

sudhir.kumar

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