

Stoichiometry - Engineering
Q1: Air at a temperature of 20°C and 750 mm Hg pressure has a relative humidity of 80%. What is its percentage humidity ? Vapour pressure of water at 20°C is 17.5 mm Hg.A 80.38
B 80
C 79.62
D 78.51
ANS:C - 79.62 To find the percentage humidity of the air, we first need to calculate the vapor pressure of water in the air at 20°C and 80% relative humidity. Given:
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