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  4. A gaseous mixture contains CH4 and C2H6 in equimolecular proportion. The weight of 2.24litres of this mixture at NTP is :-

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Q. A gaseous mixture contains $CH_{4}$ and $C_{2}H_{6}$ in equimolecular proportion. The weight of $2.24litres$ of this mixture at NTP is :-

NTA AbhyasNTA Abhyas 2020

Solution:

Total moles $=\frac{2 . 24}{22 . 4}=0.1$
mole of $CH_{4}=0.05$
Mole of $C_{2}H_{6}=0.05$
Total mass $=0.05\times 16+0.05\times 30=2.3g$