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<p>[QUOTE="EyeEatWheaties, post: 976033, member: 26972"]First get 30g of zinc sulfate and dissolve it into 100mL of water.</p><p> </p><p>You can also use zinc chloride. This can be made by mixing hydrochloric acid with zinc metal and waiting until the fizzing stops.</p><p> </p><p> Then drop in several cut strips of zinc metal. </p><p> </p><p>Heat to a boil </p><p><br /></p><p>add a very clean penny(s) - make sure the penny is touching the zinc strip</p><p><br /></p><p>Boil for five to ten minutes.</p><p> </p><p> The zinc metal dissolves and releases electrons that go into the copper Giving the coin a silvery color.[/QUOTE]</p><p><br /></p>
[QUOTE="EyeEatWheaties, post: 976033, member: 26972"]First get 30g of zinc sulfate and dissolve it into 100mL of water. You can also use zinc chloride. This can be made by mixing hydrochloric acid with zinc metal and waiting until the fizzing stops. Then drop in several cut strips of zinc metal. Heat to a boil add a very clean penny(s) - make sure the penny is touching the zinc strip Boil for five to ten minutes. The zinc metal dissolves and releases electrons that go into the copper Giving the coin a silvery color.[/QUOTE]
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