Question

In humid climates, people constantly dehumidify their cellars to prevent rot and mildew. If the cellar in a house (kept at 25 ∘C) has 120 m2 of floor space and a ceiling height of 2.9 m , what is the mass of water that must be removed from it in order to drop the humidity from 97% to a more reasonable 45%?

I've tried the problem 5 times and got: 4.39, 4.4, 3.1, 3.8, and 3.2 (all kg) which are all wrong! please help!

Answer 1

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