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OpenStudy (anonymous):
I need help with my Lab "5. Clean an iron nail with a piece sandpaper of steel wool so the surface of the nail is shiny. 6. Place the nail in a test tube and add the 0.50 M Copper (II) sulphate solution so that one half of the nail is covered. 7. After approximately 15 minutes, remove the nail and note any changes in both the nail and the solution.
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