

Stoichiometry - Engineering
Q1: A vessel of volume 1000 m3 contains air which is saturated with water vapour. The total pressure and temperature are 100 kPa and 20°C respectively. Assuming that the vapour pressure of water at 20°C is 2.34 kPa, the amount of water vapour (in kg) in the vessel is approximatelyA 17
B 20
C 25
D 34
ANS:A - 17 To find the amount of water vapor in the vessel, we can use the ideal gas law in conjunction with Dalton's law of partial pressures. Dalton's law states that in a mixture of non-reacting gases, the total pressure exerted by the mixture is equal to the sum of the partial pressures of individual gases. Given:
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