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A gas mixture of 3 liters of propane (C3...

A gas mixture of 3 liters of propane `(C_3H_8)` and butane `(C_4H_10)`on complete combustion at 25◦C produced 10 liter `CO_2`. Find out the composition of gas mixture (Propane:Butane)

A

`2:1`

B

`1:2`

C

`1:5:1:5`

D

`0.5:2.5`

Text Solution

Verified by Experts

The correct Answer is:
A
(a) `C_(3)H_(8)+5O_(2)to3CO_(2)+4H_(2)O`
`C_(4)H_(10)+(13)/(2)O_(2)to4CO_(2)+5H_(2)O`
but 4a+(43-a)=10
`therefore a=2` (propane) and 3-2=1 (butane)
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