A container has gas mixture of 40% CO₂ and 60% H₂ with total press – McqOptions

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1.	A container has gas mixture of 40% CO₂ and 60% H₂ with total pressure 10 Pa, if now O₂ is added to it isothermally so that the final composition of the mixture becomes 20% CO₂, 30% H₂, and 50% O₂, what is the partial pressure of O₂ in the new composition?
A.	5 Pa
B.	10 Pa
C.	20 Pa
D.	35 Pa
Answer» C. 20 Pa

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