3. Calculate the standard half-reaction potential
H3AsO4 2H 2e = HAsO2 2H2O,
based on the values of standard half-reaction potentials:
H2AsO4- 3H 2e = HAsO2 2H2O and H3AsO4 = H2AsO4.
If the file does not open for you, install the Rar archiver program. Inside the archive, the solution is in WORD format.