February 21, 2017

Homework Help: math

Posted by shana on Thursday, November 8, 2012 at 11:15pm.

What is one mole of H2O composed of?
A. 2 hydrogen atoms and 1 oxygen atom
B. 2 × (6.02 × 1023) hydrogen atoms and 6.02 ×1023 oxygen atoms
C. 3 atoms of water and 2 oxygen molecules
D. one half of a molecule of peroxide

I say A

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