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Isha Ram Mahadeo
Asked: 2022-11-04T03:18:00+05:30 In:

A 1 L flask contains 32 g `O_(2)` gas at `27^(@)C`. What mass of `O_(2)` must be released to reduce the pressure in the flask to 12.315 atm?
A. 8 g
B. 16 g
C. 24 g
D. 0 g

A 1 L flask contains 32 g `O_(2)` gas at `27^(@)C`. What mass of `O_(2)` must be released to reduce the pressure in the flask to 12.315 atm?
A. 8 g
B. 16 g
C. 24 g
D. 0 g
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1 Answer

  1. Correct Answer – B
    `pV=nRT=w/mRT`
    `:.w=(pVm)/(RT)=(12.315xx1xx32)/(0.0821xx300)=16g`
    `:. 0_(2)` to be released = 32 -16=16 g

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