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Sulphur hexafluoride is a colourless, od...

Sulphur hexafluoride is a colourless, odouriess gas: calculate the pressure exerted by 1.82 moles of the gas in a steel vessel of volume `5.43dm^(3)` at `69.5^(@)C`, assuming ideal gas behaviour.

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n=1.82 mole
`V=5.43dm^(3)`
`T=69.5+273=342.5`
P=?
PV=nRT
`P=(nRT)/(V)`
`P=(1.82molxx0.821cancel(dm^(3))" atm "mol^(-1)K^(-1)xx342.5K)/(5.43cancel(dm^(3)))`
`P=94.25atm`.
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