Tuesday, January 24, 2012

General Science: Iron nails in copper sulfate

While we're on the subject of chemical reactions here's a photo of an iron nail submerged in copper sulfate solution. As you can see, the color of the solution changes and in place of an iron nail you get a sandy solid that is copper. What actually happens is the iron displaces the copper and as the reaction goes to completion we are left with iron sulfate and copper.

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