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A 3000 cm^(3) tank contains oxygen at 20...

A `3000 cm^(3)` tank contains oxygen at `20^(@)C` and the gauge pressure is `2.5 xx 10^(6) Pa`. Find the mass of the oxygen in the tank. Take 1 atm `= 10^(5) Pa`.

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The correct Answer is:
`102.56 g`
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