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According to the following reaction, how many moles of carbon monoxide will be formed upon the complete reaction of 23.1 grams of benzene (C6H6) with excess oxygen gas?


benzene (C6H6) (l) + oxygen (g) carbon monoxide (g) + water (g)

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The balanced chemical reaction is:

C6H6 + 9/2O2 = 6CO + 3H2O

We are given the amount of benzene to be used for the reaction. This will be the starting point for the calculations.

23.1 g C6H6 ( 1 mol C6H6 / 78.12 g C6H6 ) ( 6 mol CO / 1 mol C6H6 ) = 1.77 mol CO is produced from the reaction

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