Chemistry - Ideal Gas Question with Solution | TestHub

ChemistryIdeal GasMiscellaneous/MixedEasy2 minPYQ_2020
ChemistryEasysingle choice

Calculate the total pressure in a 10.0 L cylinder which contains 0.4 g helium, 1.6 g oxygen and 1.4 g nitrogen at27℃.

{R = 0.082 L amp K-1 mol-1}

Options:

Answer:
A
Solution:

Number of moles of He=0.44=0.1

Number of moles of oxygen=1.632=0.05

Number of moles of nitrogen=1.428=0.05

Total moles in the 10.0 L cylinder at 27℃

=0.1+0.05+0.05

=0.2 mol

pT=nRTV=0.2×0.082×30010=0.492 atm

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Ideal GasSubtopic:Miscellaneous/Mixed
⏱ 2mℹ️ Source: PYQ_2020

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