Chemistry Practice Problems Faraday's Constant Practice Problems Solution: If the following half-reactions are used in an ele...

Solution: If the following half-reactions are used in an electrolytic cell:Li +(aq) +  e−  →  Li(s)          E  0 = − 3.04Mg 2+(aq) + 2e−  →  Mg(s)   E 0 = − 2.38And 10 Amps are applied for 1 minute, determine which solid would form and how much would form in grams. A. 0.043 grams of LithiumB. 0.022 grams of LithiumC. 0.15 grams of MagnesiumD. 0.076 grams of MagnesiumE. 0.086 grams of Lithium  

Problem

If the following half-reactions are used in an electrolytic cell:

Li +(aq) +  e  →  Li(s)          E  0 = − 3.04

Mg 2+(aq) + 2e  →  Mg(s)   E 0 = − 2.38

And 10 Amps are applied for 1 minute, determine which solid would form and how much would form in grams.

 

A. 0.043 grams of Lithium

B. 0.022 grams of Lithium

C. 0.15 grams of Magnesium

D. 0.076 grams of Magnesium

E. 0.086 grams of Lithium