Calculate the mass in grams of each element in the body of a 57kg person

  • #1

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
 

Answers and Replies

  • #2
Borek
Mentor
28,564
3,017
What does it mean 35% of something?
 

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