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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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livestrong136 livestrong136
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11 years ago
5a. Use the standard reduction potentials at 25° C, and calculate the standard emf E° of an electrochemical cell described by the following reaction:
      Fe+Ni2+ → Fe2+ +Ni
(b) What is the value of E if the concentration of Ni2+ is 4.17 x 10-2 and the concentration of Fe2+ is 5.06 x 10-3?
(c) If E = 0.36 V and Ni2+ = 0.10 M, what is the concentration of Fe2+?

6. Given the following equations:
(i) 2 D3++ 3 B → 2 D + 3 B2+
(ii) 3 A + D3+→ 3 A+ + D
(iii) C + 3 A+ → C3+ + 3 A
Arrange the elements A, B, C, and D in order of their activities.
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doubleudoubleu
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11 years ago
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