What is the relative humidity when the absolute humidity is 15 mg H2O/L and the capacity of a gas is 20.6 mg H2O/L?
a. 15% c. 30%
b. 20% d. 72%
ANS: D
RH = (AH/capacity) ? 100%. (15 mg/L/20.6 mg/L) ? 100% = 72%.
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