document.write( "Question 809310: find the mass and weight of the air in a living room at 20 degree Celsius with 4.0 m x 5.0 m and a ceiling 3.0 m high. what are the mass and weight of an equal volume of water? \n" ); document.write( "
Algebra.Com's Answer #487528 by TimothyLamb(4379)\"\" \"About 
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v = 4 * 5 * 3 = 60 cu.m
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\n" ); document.write( "density of air at 20 degrees C = 1.2041 kg/cu.m
\n" ); document.write( "http://en.wikipedia.org/wiki/Density_of_air
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\n" ); document.write( "ma = d * v
\n" ); document.write( "ma = 60 * 1.2041
\n" ); document.write( "ma = 72.246 kg
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\n" ); document.write( "density of water at 20 degrees C = 998.207 kg/cu.m
\n" ); document.write( "https://sooeet.com/density/water-density.php
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\n" ); document.write( "mw = d * v
\n" ); document.write( "mw = 60 * 998.207
\n" ); document.write( "mw = 59,892.42 kg
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