More fun with molecules
1. What percentage of the atoms in a mole of water are hydrogen atoms?

 
 
 
 
 

2. What percentage (by mass) of a water molecule does oxygen represent?
 
 
 
 
 
 
 

3. What percentage (by mass) of glucose (C6H12O6) does carbon make up?
 
 
 
 
 


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