how many litre of oxygen at STP is required to burn 60g c6h6
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62h6+7/2 O2-----> 2co2+3H2O
Molecular mass of ethane----C2h6=[2×12+6×1]=300
Molar mass ofC2H6=30g
30g ofethane needs3.5 moles of 02.1 mole of any gas occupies 22.4liters. 3.5 moles occupy---？
3.5×22.4
=78.4l
For 60g of ethane we need =（78.4/30×60=156.8l of oxygen.
Molecular mass of ethane----C2h6=[2×12+6×1]=300
Molar mass ofC2H6=30g
30g ofethane needs3.5 moles of 02.1 mole of any gas occupies 22.4liters. 3.5 moles occupy---？
3.5×22.4
=78.4l
For 60g of ethane we need =（78.4/30×60=156.8l of oxygen.
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