(7.10) Consider the following reaction:3 Ni*2(aq)+ 2 Cr(OH)3(s) + 10 OH¯3 Niçs) + 2 CrO4²(ag) + 8 H2O(1)a) What is the value of n (no. of moles)for the reaction?Ni*2(aq) + 2e¯ → Ni(s)E°cell = -0.28 VCr+6(aq)+ ЗеCr*3E°cell = + 0.13 VAnswer:n moles of electrons|Hint: what is the total number of electronslost & gained from the above redoxreaction?

Answered: Image /qna-images/answer/c18999bd-0b2b-4abb-8883-868c087c9f6b.jpg

(7.10) Consider the following reaction: 3 Ni*2(aq) 3 Ni(s) + 2 CrO4¯(aq) + 8 H2O(1) + 2 Cr(OH)3(s) + 10 OH¯ → a) What is the value of n (no. of moles) for the reaction? Ni*2(aq) + 2e¯ → Ni(s) E°cell = -0.28 V %3D Cr*6(aq) + 3e¯ + Зе Cr*3 E°cell = + 0.13 V Answer: n moles of electrons ||

(7.10) Consider the following reaction: 3 Ni2(aq) 3 Ni(s) + 2 CrO4¯(aq) + 8 H2O(1) + 2 Cr(OH)3(s) + 10 OH¯ → a) What is the value of n (no. of moles) for the reaction? Ni2(aq) + 2e¯ → Ni(s) E°cell = -0.28 V %3D Cr6(aq) + 3e¯ + Зе Cr3 E°cell = + 0.13 V Answer: n moles of electrons ||

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

(7.10) Consider the following reaction:
3 Ni*2(aq)
+ 2 Cr(OH)3(s) + 10 OH¯
3 Niçs) + 2 CrO4²(ag) + 8 H2O(1)
a) What is the value of n (no. of moles)
for the reaction?
Ni*2(aq) + 2e¯ → Ni(s)
E°cell = -0.28 V
Cr+6
(aq)
+ Зе
Cr*3
E°cell = + 0.13 V
Answer:
n moles of electrons
|
Hint: what is the total number of electrons
lost & gained from the above redox
reaction?

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