Question
Asked Sep 17, 2019

Hydrocarbon mixtures are used as fuels. What mass of CO2 gas is produced by the combustion of 343.5 g of a mixture that is 50.8 % CH4 and 49.2% C3H8 by mass? (Note that the CH4 and C3H8 do not actually react with each other. Each of them reacts separately with oxygen.)

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Step 1

The mass of carbon dioxide produced by combustion of ...

CH+202 CO2+2H20
343.5 g50.8=174.5g
Mass of CH
100
1molCH
gx.
Mass of CO2174.5g^16.04 g/mol
1mol CO2 44.01 8CO2
X
1mol CO2
lmolCH,
-478g
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CH+202 CO2+2H20 343.5 g50.8=174.5g Mass of CH 100 1molCH gx. Mass of CO2174.5g^16.04 g/mol 1mol CO2 44.01 8CO2 X 1mol CO2 lmolCH, -478g

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