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        3g C and 5g oxygen react completely with each other to give both CO and CO2. Find mole fraction of CO2 in the resulting mixture. Please give the solution.
5 years ago

Sumit Majumdar
IIT Delhi
137 Points
							Solution:The reaction for the same would be given by:$3C+2O2\rightarrow 2CO+CO2$Now the number of moles of C are equal to:$\frac{3}{12}=\frac{1}{4}$The number of moles of Oxygen are:$\frac{5}{16}$Thus the limiting reagent is C.And so the mole fraction of CO2 would be equal to:$\frac{\frac{1}{3}}{\frac{1}{3}+\frac{2}{3}}=\frac{1}{3}$
Thanks & Regards

Sumit Majumdar,

Ph.D,IIT Delhi


5 years ago
Sumit Majumdar
IIT Delhi
137 Points


Solution:

The reaction for the same would be given by:

$3C+2O2\rightarrow 2CO+CO2$

Now the number of moles of C are equal to:

$\frac{3}{12}=\frac{1}{4}$

The number of moles of Oxygen are:

$\frac{5}{32}$

So the limiting reagent is Oxygen.

And so the mole fraction of CO2 would be equal to:

$\frac{\frac{1}{2}}{\frac{1}{2}+\frac{1}{1}}=\frac{1}{3}$

Regards

Sumit


5 years ago
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