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Q. No.The vapour pressure of pure benzene and toluene are 160 and 60 torr respectively. The mole fraction of toluene in vapour phase in contact with an equimolar solution of benzene and toluene is -
| 1. | 0.50 | 2. | 0.6 |
| 3. | 0.27 | 4. | 0.73 |
Subtopic: Dalton’s Law of Partial Pressure |
60%
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If partial pressure of oxygen is 0.5 atm and KH = 1.4 × 10-3 M/atm, then the amount of oxygen dissolved in 100 ml water at 298K is-
| 1. | 22.4 mg | 2. | 22.4 g |
| 3. | 2.24 g | 4. | 2.24 mg |
Subtopic: Dalton’s Law of Partial Pressure |
From NCERT
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