A voltaic cell consists of a Zn/Zn²+ half-cell and aNi/Ni2+ half-cell at 25 °C. The initialconcentrations of Ni2+ and Zn²+ are 1.60mol L-¹ and 0.110 mol L-¹, respectively.-1Zn²+ (aq) +2e → Zn(s)→ Ni(s)Ni2+ (aq) +2 eE°=-0.76 VE° -0.23 V= What are the concentrations of Ni²+ and Zn²+ when the cell potential falls to 0.45 V?Express your answers using two significant figures separated by a comma.1951 ΑΣΦ[Ni2+], [Zn²+] = 0.00, 1.71Submit Request Answer20S?mol L-1

Given: Initial concentration of Ni+2 = 1.60 M Initial concentration of Zn+2 =0.110 M…

A voltaic cell consists of a Zn/Zn²+ half-cell and a Ni/Ni2+ half-cell at 25 °C. The initial concentrations of Ni2+ and Zn²+ are 1.60 mol L-¹ and 0.110 mol L-1, respectively. ²+ (aq) + 2 e¯ → Zn(s) Ni2+ (aq) +2 e → Ni(s) E° = -0.76 V E° = -0.23 V

A voltaic cell consists of a Zn/Zn²+ half-cell and a Ni/Ni2+ half-cell at 25 °C. The initial concentrations of Ni2+ and Zn²+ are 1.60 mol L-¹ and 0.110 mol L-1, respectively. ²+ (aq) + 2 e¯ → Zn(s) Ni2+ (aq) +2 e → Ni(s) E° = -0.76 V E° = -0.23 V

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

A voltaic cell consists of a Zn/Zn²+ half-cell and a
Ni/Ni2+ half-cell at 25 °C. The initial
concentrations of Ni2+ and Zn²+ are 1.60
mol L-¹ and 0.110 mol L-¹, respectively.
-1
Zn²+ (aq) +2e → Zn(s)
→ Ni(s)
Ni2+ (aq) +2 e
E°=-0.76 V
E° -0.23 V
=

What are the concentrations of Ni²+ and Zn²+ when the cell potential falls to 0.45 V?
Express your answers using two significant figures separated by a comma.
1951 ΑΣΦ
[Ni2+], [Zn²+] = 0.00, 1.71
Submit Request Answer
20
S
?
mol L-1

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