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A vessel contains 1 mole of O(2) at 27^(...

A vessel contains 1 mole of `O_(2)` at `27^(@)C` and 1 atm pressure. A certain amount of the gas was withdrawn and the vessel was heated to `327^(@)C` to maintain the pressure of 1 atm. The amount of gas removed was

A

0.2 mole

B

0.5 mole

C

0.25 mole

D

0.1 mole

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The correct Answer is:
B
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