2Fe3+(aq)+H2(g)→2Fe2+(aq)+2H+(aq).
What is the emf for this cell when [Fe3+]= 3.90 M , PH2= 0.94 atm , [Fe2+]= 1.5×10−3 M , and the pH in both compartments is 3.80?

![O.os a. pH = 3.8 = -log[ut] [+] = 1.5849x10 M Putting values is equation, 0.77-0.059 log £5 x103) (1.5849x1=) (3.9) 2 (0.94)](http://img.homeworklib.com/questions/6f1fe860-73f3-11ea-b44d-fb0c04b5b6c9.png?x-oss-process=image/resize,w_560)
2Fe3+(aq)+H2(g)→2Fe2+(aq)+2H+(aq). What is the emf for this cell when [Fe3+]= 3.90 M , PH2= 0.94 atm...
A voltaic cell utilizes the following reaction: 2Fe3+(aq)+H2(g)→2Fe2+(aq)+2H+(aq) A. What is the emf of this cell under standard conditions? Express your answer using three significant figures B. What is the emf for this cell when [Fe3+]= 3.90 M, PH2= 0.99 atm, [Fe2+]= 0.0014 M, and the pH in both compartments is 3.80? Please explain this problem to me. Thanks!!
A voltaic cell utilizes the following reaction: 2Fe3+(aq)+H2(g)→2Fe2+(aq)+2H+(aq). emf of this cell under standard conditions E∘ = 0.771 V What is the emf for this cell when [Fe3+]= 3.70 M , PH2= 0.95 atm , [Fe2+]= 1.0×10−3 M , and the pH in both compartments is 3.95? Express your answer using two significant figures.
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An electrochemical cell consists of a Pt|H+(aq,1.00 M)|H2(g) cathode connected to a Pt|H+(aq)|H2(g) anode in which the H+ concentration is that of a buffer consisting of a weak acid, HA(0.160 M), mixed with its conjugate base, A-(0.120 M). The measured cell voltage is E°cell = 0.228 V at 25 °C, with PH2 = 1.00 atm at both electrodes. Calculate the pH in the buffer solution and the Ka of the weak acid. pH = Ka =
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