24 g of carbon completely burn in presence of 64g of oxygen what mass of oxygen required for the complete combustion of 4.8 g of carbon also find mass of carbon dioxide
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Answer:
Balanced Eqn
2C2H6+7O2=4CO2+6H2O
By the Balanced eqn
60g ethane requires 7x32= 224g oxygen
here ethane is in excess.oxygen will be fully consumed
hence
300g oxygen will consume 60⋅300224=80.36g ethane
leaving (270-80.36)= 189.64 g ethane.
By the Balanced eqn
60g ethane produces 4x44 g CO2
hence amount of CO2 produced =4⋅44⋅80.3660=235.72g
and its no. of moles will be 235.7244 =5.36 where 44 is the molar mass of Carbon dioxide
Hope its help you
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