please answer the following questions
1- Assuming the partial pressure of oxygen gas is that ofatmospheric oxygen 0.021 atm, rather than the 1.00 atm assumed inthe derivation of Equation down, derive an equation describing theoxidizing pE limit of water as a function of pH.
equation is PE=20.75-PH
2- Using the equation derived in Problem 1 and Excel, plotlogPO2 as a function of pE at pH 7.00.
3-Calculate the values of [Fe3+], pE and pH at the point inFigure 4.4 where Fe2+ is at a concentration of 1.00 x 10-5M, andFe(OH)2 and Fe(OH)3 are in equilibrium.
