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July 31, 2015

Homework Help: gr9math

Posted by rebecca on Monday, February 8, 2010 at 9:50pm.

about 99% of the mass of the human body is made up of just six elements.
oxygen:65%
carbon18%
hydrogen:10%
calcium:1.5%
phosphorus:1.0%
Find the mass of each element in a human body iwth mass 60kg.
could you please explain to me how to do this? your help is appreciated.:)

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