Question

If 200 ml of He at 0.66 atm pressure and 400 ml of O2 at 0.52 atm pressure are mixed in a 400 ml vessel at 25°C. The total pressure in the vessel will be
(1) 0.59 atm
(2) 0.66 atm
(3) 0.85 atm
(4) 1.18 atm​

Answer 1

Answer:

Option a is correct

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