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-   -   Questions on salt water vs fresh water.... (http://www.physicsforums.com/showthread.php?t=199997)

jim Nov23-07 05:01 AM

Questions on salt water vs fresh water....
 
I live in an area that is experiencing a long drought. So, I got to
thinking about the differences in fresh and salt water and have a few
questions that I'd like your thoughts on.

Just what happens to salt in salt water?

Do the molecules of water and salt combine or is the salt simply
suspended in the water?

If it is just suspended, what makes it stay suspended?

Why doesn't it settle to the bottom of the container?

Are the water molecules heavier than the salt molecules or vice versa or
are they approximately the same weight?

Thanks for any light that you could shine on these questions!

jim



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