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Electrolysis Coursework Aim; To investigate whether changing voltage will affect the rate of Electrolysis. Prediction; I predict that by increasing the voltage the rate of Electrolysis increase therefore producing a straight line graph. Hypothesis; In relation to my prediction, voltage is the force that pushes the electrical currents around. The flow of electrons around a circuit is the current. If I increase the voltage, this will provide a further push for the electrons to move more freely. The Electrolyte we used for this investigation was Copper Sulphate. For there to be more Copper Sulphate dissolved, I will have to double the voltage, this means double the push of electrons. At the negative Cathode, impure copper is forced, this is due to the fact that copper has a 2+ charge, and it will move to a negative electrode, in this case the negative Cathode. When the copper Ions are attracted by the Cathode they are...

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