This when we took the original Copper metal and oxidized it by adding Nitric Acid. This produced a blue looking solution which contained aqueous cupric nitrate, water, and nitrogen dioxide.
In the picture above, we are pouring the nitric acid into a beaker before adding it to the copper in the beaker to the lower left side of the picture. Wil got down at eye level to make sure we were getting exactly 5ml of HNO3 in our solution
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