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Shirsa Udgata Grade: 11
```        10g fairly concentrated solution of CuSO4 is electrolysed using 0.01F of electricity.calculate::
(a) The weight of resulting solution. (b) Equivalent of acid or alkaline in the solution.```
7 years ago

## Answers : (1)

SAGAR SINGH - IIT DELHI
879 Points
```										Dear student,
Use

First Law

The quantity of a substance produced by electrolysis is proprotional to the quantity of electricty used.

Second Law

For a given quantity of electricity the quantity of substance produced is proportional to its weight.

The quantity of electricity or charge contained in a current running for a specified time can be calculated:

Q = I x t
Q = quantity of electricity or charge in coulombs (C) 						I = current in amps (A) 						t = time (seconds)

The Faraday constant, F, is the quantity of electricity carried by one mole of electrons.

F =Na x charge on electron in coulombs
F = 6.022 x 1023 mol-1 x 1.602192 x 10-19 C 						F = 96,484 C mol-1

Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation.
All the best.
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Sagar Singh
B.Tech, IIT Delhi

```
7 years ago
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