Consider the reaction below. 2c6h14 + 19o2 12co2 + 14h2o how many moles of hexane (c6h14) must burn to form 18.4 mol of carbon dioxide? a. 1.53 mol b. 3.07 mol c. 110. mol d. 175. mol

given information:

2c6h14 + 19o2 → 12co2 + 14h2o

moles of co2 produced = 18.4

to determine:

moles of c6h14 required to produce 18.4 moles of co2

explanation:

based on the combustion reaction stoichiometry:

2 moles of c6h12 burns to produce 12 moles of co2

i.e.

6 moles of co2 are produced by burning 1 mole of c6h12

thus, 18.4 moles of co2 would require: 18.4 co2 * 1 c6h12/6 co2 = 3.07 moles of c6h12

ans: (b)

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