***easy points*** Does the cathode gain or lose mass
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***easy points*** Does the cathode gain or lose mass

[From: ] [author: ] [Date: 11-05-08] [Hit: ]
-During electrolysis the cathode gains mass.oxidation occurs at anode and reduction at cathode.So at the cathode Cu2+ ions get converted to Cu which gets deposited at cathode.so cathode gains mass-The cathode is where reduction occurs in the half cell. This means that aqueous metal ions are being reduced to the solid state at the cathode, therefore it gains mass.......
I'm doing an assignment on the electrolysis of copper. does the copper cathode electrode gain or lose mass during this process? or is it the opposite?

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At the cathode, reduction is going on. This means that aqueous copper (Cu+2(aq)) is going to solid copper (Cu(s)). When it transforms to solid copper, it gets plated on the copper plate, therefore the cathode end of an electrolysis reaction gains mass.

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During electrolysis the cathode gains mass.oxidation occurs at anode and reduction at cathode.So at the cathode Cu2+ ions get converted to Cu which gets deposited at cathode.so cathode gains mass

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The cathode is where reduction occurs in the half cell. This means that aqueous metal ions are being reduced to the solid state at the cathode, therefore it gains mass.
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