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An investigations find the change in the mass of the electrodes during electrolysis
Member rating: No Rating | Words: | Submitted: Thu Jan 13 2005
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An investigations find the change in the mass of the electrodes during electrolysis Safety: Before carrying out he investigation we had to take safety into consideration so we wore goggles to protect our eyes from any harmful chemical and aprons to protect our clothes from anything that may get spilt. Equipment: 1x 250 ml glass beaker 1x power pack 1x ammeter 4x wires Copper Sulphate solution 2x Copper electrons 1x Variable resistor Weighing scales 1x stop clock Propane Method: Set up the apparatus as shown above in the diagram. In order to collect evidence that was valid we made sure the copper electrodes were thoroughly clean by removing any old copper with wire wool to ensure a fair test. We put both pieces of copper in a 250 ml glass beaker that was filled with CuSo4 (electrolyte) solution. We then used the power pack and the variable resistor to set the current at (a pre-decided) 1Amp. Firstly we weighed and recorded the mass of...
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