A) Titration of an acidic solution of Na2C2O4 with KMnO4(aq). Which species is the reducing agent? Express your answer as an ion.
B) A voltaic cell utilizes the following reaction:
What is the emf for this cell when [Fe3+]= 3.50 M, Pressure of H2= 0.99 atm, [Fe2+]= 1.1×10−3 M, and the pH in both compartments is 4.15? Express your answer using two significant figures.
