1 kg of moist air of RH 70% at 21°C is cooled at a constant pressure of 1 bar to 5°C. The vapor pressure at 21°C and 5°C are 0.025 bar and 0.0087 bar. The percentage of water vapor that condenses into water, at 5°C is

1 kg of moist air of RH 70% at 21°C is cooled at a constant pressure

1.	1 kg of moist air of RH 70% at 21°C is cooled at a constant pressure of 1 bar to 5°C. The vapor pressure at 21°C and 5°C are 0.025 bar and 0.0087 bar. The percentage of water vapor that condenses into water, at 5°C is
A.	66%
B.	85%
C.	51%
D.	17%
Answer» B. 85%

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1 kg of moist air of RH 70% at 21°C is cooled at a constant pressure of 1 bar to 5°C. The vapor pressure at 21°C and 5°C are 0.025 bar and 0.0087 bar. The percentage of water vapor that condenses into water, at 5°C is

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