Gaseous StateHard

Question

A mixture of methane and ethene in the molar ratio of x : y has a mean molar mass of 20. What would be the mean molar mass, if the gases are mixed in the molar ratio of y : x ?

Options

A.22
B.26
C.20.8
D.19

Solution

= 20
y = 0.4 x
= 26

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