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A student wanted to measure the copper(II) concentration in an aqueous solution. For the cathode half-cell she used a silver electrode with a 1.00-M solution of AgNO3. For the anode half-cell she used a copper electrode dipped into the aqueous sample. If the cell gave Ecell = 0.62 V at 25 °C, what was the copper(II) concentration of the solution?
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