1) Consider an electrochemical cell with a zinc electrode immersed in 1.0 M Zn2+ and a nickel electrode immersed in 0.10 M Ni2+. SHOW CALCULATIONS
Zn2+ + 2e- Zn Eo= - 0.76 V
Ni 2+ + 2e- Ni Eo= - 0.23 V
A. 0.53 v B. 0.50 V C. 0.56 V D. 0.47 E. none of these
2) If an electrolysis plant orperates it's electrolytic cells at a total of 1.0 x 106 amp. How long will it take to produce one metric ton (106 grams) of Mg(a) from seawater containing Mg2+? SHOW CALCULATIONS.
A. 2.2 hours B. 2.4 days C. 55min D. 3.7 hours E. none of these