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mightyhealthy
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Homework Statement
The natural abundaces of elements in the human body, expressed as a percent by mass, are oxygen (o) 65%; carbon (C), 18%; hydrogen (H), 10%; nitrogen (N), 3.0%; calcium (Ca), 1.6%; phosphorous(P), 1.2%; all other elements 1.2%
Calculate the mass in gram of each element in the body of a 57-kg person
Homework Equations
this involves unit conversions 1000grams=1kg
don't know what else
The Attempt at a Solution
i am clueless