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Chemistry, 17.11.2020 01:00 911wgarcia
*(d) Impure copper can be purified using electrolysis.
In this electrolysis
• the anode is made of impure copper
• the cathode is made from pure copper
• the electrolyte is copper sulfate solution.
The apparatus at the start of the experiment is shown in Figure 7.
During the electrolysis three observations are made
• the sizes of both the anode and the cathode change
• a solid appears directly beneath the anode
• the colour of the copper sulfate solution does not change.
Explain all three observations.
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*(d) Impure copper can be purified using electrolysis.
In this electrolysis
• the anode is mad...
• the anode is mad...
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