Faraday's Second Law of Electrolysis

Overview

Objectives/Goals Objectives/Goals: The purpose of my project is to investigate and verify Faraday's Laws of Electrolysis. also this investigation will manipulate the following factors:1.Time 2.Concentration of the electronic medium 3. Concentration of the acidic catalyst 4. Voltage 5. Current 6. The optimum acid for the system 7. Temperature 8. Width of electrode. Methods/Materials I used a voltameter in a circuit with different solutions and measured the mass of the cathode of this electrolytic cell before and after the electrolysis. I changed different variables to check if the results vary too according to the laws. Results By varying different variables the mass transferred changed according to Faraday's Laws of Electrolysis, and the average mass transferred was near the theoretical value by a small percentage difference. Conclusions/Discussion According to the combination of Faraday#s laws of electrolysis which is: m = z I t while the electrochemical equivalent (z) for copper is constant, factors that directly affect the amount of copper transferred to the center copper plate are the current (I) and the time(t). The amount of copper transferred to the center plate is directly proportional to the current(I) and the time(t), which verified Faraday#s Laws of Electrolysis.

Competition history

• CSEF 2013 Chemistry · Entry S0624

Resources

• CSEF project summary ↗

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