Mass Transfer
Positive deviation from Raoult's law means a mixture whose total pressure is

Less than that computed for ideality
None of these
Less than the sum of the vapour pressure of the components
Greater than that computed for ideality

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Mass Transfer
Humid volume is the total volume in m³ of 1 kg of

Gas plus its accompanying vapour at 1 atm. and room temperature
Vapour laden gas at 1 atm. and gas temperature
Gas plus its accompanying vapour at 1 atm. and gas temperature
Vapour laden gas at 1 atm. and room temperature

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