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Calculate the number of moles of hydroge...

Calculate the number of moles of hydrogen present in `10 dm^(3)` of the gas at `25^(@)C` and `1.5 atm` pressure.

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According to ideal gas equation , PV = n RT
`n= (PV)/(RT) = (1.5 "atm" xx 10 dm^(3))/(0.0821 dm^(3) "atm" K^(-1) mol^(-1) xx 298 K) = 0.6131` mol
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