How does placing a glass of water on salt prevent condensation?

Subject: How does placing a glass of water on salt prevent condensation?

Date: Fri May 8 16:15:23 1998
Posted by Mike Benchich
Grade level: undergrad
School: Vanderbilt
City: Nashville State/Province: TN
Country: USA
Area of science: Chemistry
ID: 894662123.Ch

Message:


I was told that if you want to prevent you glass from dripping, you shloud 
place it on a layer of salt.  Somehow, this is supposed to keep your glass 
dry.  I tried it, and it worked.  Can you please explain it to me?  Thanks!    
- Mike

Re: How does placing a glass of water on salt prevent condensation?

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