Chemistry electrolysis coursework
Date Submitted: 07/21/2004 17:21:58
Category: / Science & Technology / Chemistry
Length: 5 pages (1289 words)
Category: / Science & Technology / Chemistry
Length: 5 pages (1289 words)
It is known that by passing a constant electric current through an aqueous copper sulphate solution that the passage of ions through this solution results in copper atoms being dissolved into the solution from the anode while positive copper ions (cations) being discharged at the cathode. Normally anions are discharged at the anode.
The experiment carried out aimed to monitor the quantity of Copper (Cu) metal deposited during the electrolysis of Copper Sulphate solution (CuSo4) …
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… electrical balance should have been used as there may have been slight differences between the two balances. This is what could explain the anomaly ("freak" result) in the graph.
I found this investigation very interesting and am looking forward to investigating more of the variables in this experiment, which may or may not affect the mass of copper deposited onto the cathode, such as changing the Current or Temperature variable.
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