Chemistry - Ideal Gas Question with Solution | TestHub
ChemistryIdeal GasIdeal Gas Equation & problemsEasy2 minQB
ChemistryEasysingle choice
A mixture of CO and CO₂ has a density of 1.46 g/l at 27°C and 760 mm pressure. If 1 l of the mixture is exposed to alkali, what would be the pressure of the remaining gas at the same volume and temperature?
Options:
Answer:
C
Solution:
Average molar mass bar M = 1.46 × 0.0821 × 300 ≈ 36 g/mol. With x = mole fraction of CO₂: 28(1-x) + 44x = 36 ⇒ x = 0.5. Alkali absorbs CO₂; remaining CO exerts 760 × 0.5 = 380 mm. Matches (c).
Stream:JEESubject:ChemistryTopic:Ideal GasSubtopic:Ideal Gas Equation & problems
⏱ 2mℹ️ Source: QB
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