Last week we spent two days in lab. The first day my partner and I placed an iron nail in a jar of Copper (II) Chloride and water and let it sit over night. The next day we removed the nail and cleaned off the copper with hydrochloric acid and distilled water. It was cool to see all the copper that was left in the jar after cleaning it.
I agree that the Copper lab was really cool! The ending result was beautiful.
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