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April 20, 2014

Homework Help: chem/phys

Posted by opp on Wednesday, April 25, 2012 at 5:30pm.

Calculate the number of H2O molecules in a human body of mass 66.5 kg. Assume that, on average, water makes up 62% of the mass of a human body. (Use 1.0 u for the atomic mass of hydrogen, and 16.0 u for the atomic mass of oxygen.)
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