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Q.

The minimum number of moles of O2 required for complete combustion of 1 mole of propane and 2 moles of butane is ____.

 

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answer is 18.

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Detailed Solution

C3H8+5O2→3CO2+4H2O 1mol     5mol

C4H10+132O2→4CO2+5H2O

For 2 moles of butane 13 mole of O2

Hence the correct answer is 18.

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The minimum number of moles of O2 required for complete combustion of 1 mole of propane and 2 moles of butane is ____.