From: peterxpercival@hotmail.com   
      
   Peter Percival wrote:   
   > (i) When oxygen is dissolved in water is it molecular oxygen or atomic   
   > oxygen that dissolves?   
   >   
   > (ii) Does whatever is dissolved float around "at random" or do the   
   > molecules or atoms (as the case may be) of oxygen associate themselves   
   > with water molecules in some predictable way?   
   >   
   > (iii) When a glass   
      
   containing water   
      
     with dissolved oxygen (and other atmospheric gasses)   
   > is placed in sunlight, oxygen (and etc) appears as bubbles on the glass.   
   >   What is going on here?   
   >   
   > Many thanks for any answers.   
      
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