Question

Is the mass gained at the cathode the same as the mass lost at the anode?...

Is the mass gained at the cathode the same as the mass lost at the anode? Please explain using zinc and copper

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Answer #1

Hey

The answer to this question is NO

The mass gained would not be equal to mass lost.

Consider the example of Zn+ Cu2+------> Zn2+ + Cu

assume Zn is losing 2 electrons at a time

which means 1 Zn has converted to Zn2+

which means mass lost= mass of 1 zn=65 gram

now, moving to cathode, Copper gains the electron of Zn converting from cu2+ to Cu

which means it gained mass of 1Cu which is 63.5

so, mass lost is not equal to mass gained.

Hope it helped

Thanks!!

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