What is the relative humidity for a sample of air that can hold 25 grams of water vapor but has 15 grams of water vapor?

1 Answer
James J.
Jun 24, 2016

60%

Explanation:

Relatively humidity is simply the percent of the absolute humidity over the humidity of the saturated air at that temperature. In this case 15g/25g=0.6 or 60%.

Here is a chart that might help.

enter image source here

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Using the graph we can see your sample of air has a temperature of about 28 degrees and a dew point around 20 degrees.

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