MadSci Network: Chemistry
Query:

Subject: Why does acetone dissolve a sytrofoam cup but water will not?

Date: Tue Jan 29 15:12:16 2002
Posted by Dan
Grade level: 10-12 School: Stagg
City: Palos Hills State/Province: IL Country: USA
Area of science: Chemistry
ID: 1012335136.Ch
Message:

Why is it that a styrofoam cup dissolves in acetone but not in water.  Acetone 
dissolves in water and styrofoam dissolves in acetone.  Does this contradict  
the "like dissolves like" idea?  How does this work?  How does the polarity of 
the molecules account for this?


Re: Why does acetone dissolve a sytrofoam cup but water will not?

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