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Answer to Question #24950 in Other Chemistry for jordan

Question #24950
How many moles of oxygen are needed to burn 9.3 moles of butane in this combustion reaction?
Expert's answer
The chemical equation for the burning reaction is
2C4H10 + 13O2 = 8CO2 + 10H2O
According to the chemical equation
n(O2) = n(C4H10) : 2 x 13 = 9.3 : 2 x 13 = 60.45mol
Answer: n(O2) = 60.45 mol

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