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Find the moles of O(2) gas having presur...

Find the moles of `O_(2)` gas having presure 250 bar in 500 ml vessle at 350 K temperature.

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`P=250`bar, `T=350K, V=500 ml =0.5` litre.
Sol `n=(PV)/(RT) [ :. PV= nRT]`
`=(250xx0.5)/(8.314xx10^(-2)xx350)=4.296` mol
`:. n=4.296` mol
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