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A 12 gm sample of CH4 and C(2)H(4) on co...

A 12 gm sample of `CH_4` and `C_(2)H_(4)` on complete oxidation with ` O_2` forms 35.2gm`CO_2` . Find the mean molar mass of original sample:

A

20

B

22

C

14.7

D

23

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The correct Answer is:
A
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