for combustion of 1 mole of butane how many mole of oxygen required
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How moles of oxygen O2 are needed for a complete combustion of two moles of butane?
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Trevor Cheung, Chemistry Enthusiast, though a mere 16-year-old guy
Updated Aug 30 2016 · Author has 1.2k answers and 1.1m answer views
Wait… I see it before… Why?
You have to derive the chemical equation for the combustion of butane (C4H10)
The chemical equation must be something like C4H10 + O2 → CO2 +H2O (without the coefficients)
I don’t know whether you know how to balance the equation, but after balancing the equation, it should be something like this:
C4H10 + 6.5 O2 → 4 CO2 + 5 H2O
Each mole of butane needs 6.5 moles of oxygen, so 13 moles of oxygen is required for 2 moles of butane in a complete combustion.
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1 ANSWER

Trevor Cheung, Chemistry Enthusiast, though a mere 16-year-old guy
Updated Aug 30 2016 · Author has 1.2k answers and 1.1m answer views
Wait… I see it before… Why?
You have to derive the chemical equation for the combustion of butane (C4H10)
The chemical equation must be something like C4H10 + O2 → CO2 +H2O (without the coefficients)
I don’t know whether you know how to balance the equation, but after balancing the equation, it should be something like this:
C4H10 + 6.5 O2 → 4 CO2 + 5 H2O
Each mole of butane needs 6.5 moles of oxygen, so 13 moles of oxygen is required for 2 moles of butane in a complete combustion.
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