Question

27C temperature 20 gm H2 , 220 gm CO2 and 140 gm N2 are filled in a vessel having volume 2 litre. Find

the total pressure in bar unit and which gas is removed from the vessel so that pressure can be reduced by 50% ?​

Answer 1

Answer:

No. of moles of H

2

=

2

20

=10 moles

No. of moles of CO

2

=

44

220

=5 moles

No. of moles of N

2

=

28

140

=5 moles

So, according to Dalton's law of partial pressure,

pressure ∝ mole fraction of H

2

So, as mole fraction is 0.5, when hydrogen is removed half of the pressure is removed

Explanation:

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