A gaseous mixture of `H_(2)` and `CO_(2)` gas contains `88%` by mass of `CO_(2)`. The vapour density of the mixture is :
A
`19.48`
B
`11.5`
C
`6.25`
D
Cannot be determined
Text Solution
Verified by Experts
The correct Answer is:
C
A gaseous mixture of `H_(2)` and `C_(2)` gas …………. Let total mass of mixture be 100 g Number of moles of `CO_(2) = (88)/(44) = 2` Number of moles of `H_(2) = (12)/(2) = 6` `M_(avg) = ("Total mass")/("Total moles") = (100)/(8) = 12.5` `:. VD = 12.5//2 = 6.25`
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