1 consider an electrochemical cell with a zinc electrode, Ask an Expert

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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

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