Eh – pH or Pourbaix Diagrams - SlideServe

• Construct the Pourbaix diagramfor Zinc and water- Ignore the presence of hydroxides- Show the species Zn^2 (aq), Zn(s), ZnO(s),ZnO2^2-(aq) on the diagram.- The following reactions can be used toconstruct the diagram:Zn^2 (aq) 2e^- = Zn(s)ZnO(s) 2H^ 2e^- = Zn(s) H2O(l)ZnO2^2-(aq) 4H^ 2e^- = Zn(s) 2H2O(l)Species^0 (J/mol)ZnO-320477H^ 0Zn0H2O-237141Zn^2 -147260ZnO2^2--388870

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