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NEET PhysicsClass 11Dalton's law of partial pressuresMediumSingle correct

A 20.0 L vessel at 300 K contains 0.50 mol of O₂ and 1.50 mol of N₂, which do not react. Take R = 8.31 J mol⁻¹ K⁻¹. The partial pressure of oxygen is about

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