Wednesday
April 16, 2014

Homework Help: Physics

Posted by Tasha on Monday, April 28, 2008 at 11:53am.

A runner weighs 560 N (about 130 lb), and 74% of this weight is water.

(a) How many moles of water are in the runner's body?
moles

(b) How many water molecules (H2O) are there?
molecules



I was able to get part (a), but I'm not sure how to get part (b)

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