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May 22, 2015

Homework Help: Chemistry

Posted by Rebecca on Monday, April 14, 2014 at 10:03pm.

A voltaic cell utilizes the following reaction:
2Fe3+(aq)+H2(g)→2Fe2+(aq)+2H+(aq).

What is the emf for this cell when [Fe3+]= 3.70M , PH2= 0.95atm , [Fe2+]= 7.010−4M , and the pH in both compartments is 4.05?

Express your answer using two significant figures.

(emf of this cell under standard conditions is 0.771 V)

E=_____V

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