As a chemist, I can guide you through the process of determining the concentration of copper ions in a water sample using voltammetry, but I will need some data from the experiment to give you a specific concentration value.Voltammetry is an electroanalytical technique that measures the current response of a solution containing the analyte in this case, copper ions as a function of the applied potential. In the case of copper ions, the most common technique used is anodic stripping voltammetry ASV .Here are the general steps to determine the concentration of copper ions using voltammetry:1. Prepare the water sample: Filter the water sample to remove any suspended particles and adjust the pH if necessary.2. Prepare the working electrode: Clean and polish the working electrode, usually a glassy carbon or mercury-coated glassy carbon electrode.3. Deposition step: Immerse the working electrode in the water sample and apply a negative potential to reduce the copper ions Cu2+ to metallic copper Cu on the electrode surface. The deposition time and potential should be optimized for the best results.4. Stripping step: After the deposition step, increase the potential of the working electrode linearly or in a staircase manner. The metallic copper on the electrode surface will be oxidized back to copper ions Cu2+ , generating a current.5. Record the voltammogram: The current response as a function of the applied potential will be recorded as a voltammogram. The peak current corresponding to the oxidation of copper will be used for quantification.6. Calibration: Prepare a series of standard solutions with known concentrations of copper ions and perform the voltammetry experiment on each of them. Plot the peak current vs. the concentration of copper ions to obtain a calibration curve.7. Determine the concentration: Measure the peak current of the copper oxidation in the water sample and use the calibration curve to determine the concentration of copper ions in the sample.Please provide the data obtained from the voltammetry experiment, such as the peak current of the copper oxidation in the water sample and the calibration curve, so that I can help you calculate the concentration of copper ions in the water sample.