How many moles of co2 are produced when 5.20 mol of ethane are burned in an excess of oxygen?

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emilyhen4132 emilyhen4132

01-03-2018
Chemistry

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How many moles of co2 are produced when 5.20 mol of ethane are burned in an excess of oxygen?

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zelinsky zelinsky · Answer 1 · 2018-03-10T17:10:28+01:00

zelinsky zelinsky

10-03-2018

2C2H6 + 7O2 = 4CO2 + 6H2O

According to the equation of the reaction of ethane combustion, ethane and carbon dioxide have following stoichiometric ratio:

n(C2H6) : n(CO2) = 1 : 2

n(CO2) = 2 x n(C2H6)

n(CO2) = 2 x 5.2 = 10.4 mole of CO2 is formed

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