QUESTION 8 Given below are the half equations and standard reduction potential values for Ni²+ and Cr³+ ions. Ni²+ (aq)

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QUESTION 8 Given below are the half equations and standard reduction potential values for Ni²+ and Cr³+ ions. Ni²+ (aq)

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Question 8 Given Below Are The Half Equations And Standard Reduction Potential Values For Ni And Cr Ions Ni Aq 1
Question 8 Given Below Are The Half Equations And Standard Reduction Potential Values For Ni And Cr Ions Ni Aq 1 (17.98 KiB) Viewed 10 times
QUESTION 8 Given below are the half equations and standard reduction potential values for Ni²+ and Cr³+ ions. Ni²+ (aq) + 2e → Ni (s) Cr³+ (aq) + 3e → Cr (s) Ered = -0.23 V Ered = -0.73 V Calculate the cell potential for a cell containing 3.0 x 104 M Ni²+ ions and 4.0 x 10³ M Cr³+ ions. (Answer: El=0:449-V) (5 marks)
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