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    If aspirin is placed into an aqueous solution of a low pH (1.5) it is in its unionized form.What intermolecular forces would exist between the aspirin and the water at this low pH?
    Also at a high pH (8) the aspirin is in its ionized form. What intermolecular forces would exist between the water and the aspirin at this point?
    Thanks for any help!
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    Well, at low pH, I don't think any intermolecular bonds would exist except maybe a few weak van der waals forces or london forces (whatever they're called).

    At higher pH's the Aspirin, because it is a weak acid will dissolve because there are OH- ions floating around in solution at a higher pH. So Aspirin is able to donate it's H+ ion and that's how it's soluble. That's an ionic bond I think! But I haven't done this in so long. Hope that helps a little?
 
 
 
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