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How do I find the relative humidity? I'm not sure how to finish this please thanks?

By absorption in silica gel, you are able to remove all .72 lb of the H2O from moist air at 60 deg F and 29.92 inHg. The same air measures 1000 ft^3 at 70 deg F and 32.0 inHg when dry. What was the relative humidity of moist air? Saturated air at 60 deg F has a vapor pressure of .52 inHg...

** I found the no. of moles of H2O which was .04 lbmol and the mol of dry air which is 2.7663 I don't then found their respective pressures.. what do I do next? thanks

1 Answer

Relevance
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