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A gaseous mixture contain CH(4) and C(2)...

A gaseous mixture contain `CH_(4)` and `C_(2)H_(6)` in equimolecular proportion. The weight of 2.24 litres of this mixture at NTP is

A

4.6 g

B

1.6 g

C

2.3 g

D

23 g

Text Solution

Verified by Experts

The correct Answer is:
C
Equimolecular proportion means both gases occupied equal volume ` = (2.24)/(2) = 1.12 L`
For `CH_(4)` :
`22.4L CH_(4)` has mass = 16 g
`1.12 L CH_(4)` has mass ` = (16)/(22.4) xx 1.12 = 0.8 g`
For `C_(2)H_(6)`
`22.4L C_(2)H_(6)` has mass = 30g
`1.12 L C_(2)H_(6)` has mass `= (30)/(22.4) xx 1.12 = (3.0)/(2)g = 1.5g`
Total mass ` = 1.5g + 0.8 g = 2.3g`
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