electrochemical cell question...

[Smooth Operater]

---

Members do not see this ad.

In an electrochemical cell, using lead Pb and Chromium Cr, as electrodes, the following half-rxn take place..

Cr --> Cr3+ + 3e- ; 2e- + Pb2+ ----> Pb

how can you determine the weight of lead, deposited at the cathode, per gram of chromium dissolved at the anode?

Thanks!