A voltaic cell consists of a Zn/Zn2+Zn/Zn2+ half-cell and a Ni/Ni2+Ni/Ni2+ half-cell at 25 ∘C∘C. The initial concentrations of Ni2+Ni2+ and Zn2+Zn2+ are 1.40 MM and 0.100 MM , respectively. The volume of half-cells is the same. What is the initial cell potential? What is the cell potential when the concentration of Ni2+Ni2+ has fallen to 0.600 MM? What is the concentrations of Ni2+Ni2+ when the cell potential falls to 0.45 VV? What is the concentration of Zn2+Zn2+ when the cell potential falls to 0.45 VV ?
A voltaic cell consists of a Zn/Zn2+Zn/Zn2+ half-cell and a Ni/Ni2+Ni/Ni2+ half-cell at 25 ∘C∘C. The initial concentrations of Ni2+Ni2+ and Zn2+Zn2+ are 1.40 MM and 0.100 MM , respectively. The volume of half-cells is the same. What is the initial cell potential? What is the cell potential when the concentration of Ni2+Ni2+ has fallen to 0.600 MM? What is the concentrations of Ni2+Ni2+ when the cell potential falls to 0.45 VV? What is the concentration of Zn2+Zn2+ when the cell potential falls to 0.45 VV ?
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter17: Electrochemistry And Its Applications
Section: Chapter Questions
Problem 105QRT
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A voltaic cell consists of a Zn/Zn2+Zn/Zn2+ half-cell and a Ni/Ni2+Ni/Ni2+ half-cell at 25 ∘C∘C. The initial concentrations of Ni2+Ni2+ and Zn2+Zn2+ are 1.40 MM and 0.100 MM , respectively. The volume of half-cells is the same. What is the initial cell potential? What is the cell potential when the concentration of Ni2+Ni2+ has fallen to 0.600 MM? What is the concentrations of Ni2+Ni2+ when the cell potential falls to 0.45 VV? What is the concentration of Zn2+Zn2+ when the cell potential falls to 0.45 VV ?
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