(No one seems to be alble to answer this question. This is the third time I am p

Question

(No one seems to be alble to answer this question. This is the third time I am posting it. Please do your best. Thanks)

Derive a balanced equation for the reaction occurring in the cell:
Fe(s)|Fe2+(aq)||Fe3+(aq),Fe2+(aq)|Pt(s)

Part B If E?cell=1.21V, calculate the equilibrium constant for the reaction.

Exercise 20.50 MasteringChemistry: Chapter 20-Copy-Google Chro Part A a https://session.masteringchemistry.com/ lfEoll = 1.21 V, calculate G"for the reaction. Derive a balanced equation for the reaction occurring in the cell Fe(s)|Fe2 (aq)||Fe (a), Fe2 (aq)|Pt(s) Express your answer to four significant figures and include the appro Submitted Answers k.J ANSWER 1: Deduction:-3% Submit My Answers Give Up K= 8.61040 Correct ANSWER 2: Deduction:-3% K- 4.0-1040 Part B lfEOll =1.21 V, calculate the equilibrium constant for the reaction ANSWER 3: Deduction:-3% Express your answer using two significant figures K= 10-104 ANSWER 4: Deduction:-3% K8.5. 10 K= 8.5.104 Submit My Answers Give Up Incorrect; Try Again; 2 attempts remaining

Explanation / Answer

i would surely solve it correctly....

n = 2 ,Eo   = 1.21 v,, temperature is not mentioned, so taking 300K , if not use same method with the

temeperature given in question.

Go = -nFEo = -2x96500x 1.21

-2.303RTlog(k) = -2x96500x 1.21

logK = (2x96500x1.21)/(2.303x8.314x300) = 40.655

taking antoilog

K = 4.518x1040

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