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Explaining electrolysis
Current v solution concentration
Current v electrode separation
Current v voltage
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By Mike
Aldersley, David Brook
Assumed pre-knowledge
Students should be able to recognise and use:
 | the apparatus: ammeter, chemical balance and voltmeter; |
| the terms anode, cathode, concentration of solution, current, electrode, ion and
voltage; |
| units of current (amps, concentration (g dm-3) and voltage (V); |
| the formula of copper(II) sulphate, hydrogen ion, hydroxide ion. |
 Test your pre-knowledge
Learning outcomes
After completing this unit, students should be able to:
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