Asked by Joel
If you burn 16.5 ml of ethyl alcohol, C8 H18, that has a density of 0.789g/ml what mass of co2 is produced?
I have no idea where to start.
I have no idea where to start.
Answers
Answered by
MathMate
Ethyl alcohol has a formula of C2H5OH.
C8H18 is octane.
In any case, you would work out the number of moles of alcohol in 16.5 mL. (note: 16.5 mL*0.789=13.02g)
Each mole of alcohol gives out 2 moles of CO2. (Write out the combustion equation).
So by proportion, you will get the mass of CO2 produced.
C8H18 is octane.
In any case, you would work out the number of moles of alcohol in 16.5 mL. (note: 16.5 mL*0.789=13.02g)
Each mole of alcohol gives out 2 moles of CO2. (Write out the combustion equation).
So by proportion, you will get the mass of CO2 produced.
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