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Question #136307
Assuming that a different air mass has a relative humidity of 40% at a temperature of 25 degrees Celsius, what is the actual humidity content, expressed as g/kg?
1
2020-10-05T06:43:27-0400

The relative humidity is defined by the following expression (http://www.classzone.com/vpg_ebooks/ml_earthscience_na/accessibility/ml_earthscience_na/page_392.pdf):

where is the maximum gramms of water that one kilogram of air can hold at given temperature (units ). For temperature , have (see https://www.engineeringtoolbox.com/humidity-ratio-air-d_686.html):

Thus, the is:

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