7. On this polarization diagram, determine the values of Ecorr and icor of metal M corroding to dissolved M2+ in a deaerated acid solution under activation control in the following solutions: (a) a solution with the concentration of dissolved H* of 1 M and (b) a solution with the concentration of dissolved H* of 10 M. Assume that the dash line represents the hydrogen cathodic line in 1 M concentration and the solid line represents the dissolution of metal M and e = e, +0.059 log (H*]. 0.20 0.15 0.10 0.05 0.00 2-0.05 -0.10 -0.15 10 104 10 10 Corrosion current density (A.m) 10 1 10 Potential (V) vs. SHE

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7. On this polarization diagram, determine the values of Ecorr and icorr of metal M
corroding to dissolved M2+ in a deaerated acid solution under activation control in
the following solutions:
(a) a solution with the concentration of dissolved H* of 1 M and
(b) a solution with the concentration of dissolved H* of 10 M.
Assume that the dash line represents the hydrogen cathodic line in 1 M
concentration and the solid line represents the dissolution of metal M and
e = eo + 0.059 log (H*].
0,20
0.15
0.10
0.05
0.00
-0.05
0.10
-0.15
105
10 1
10
10
10
10
Corrosion current density (A.m)
Potential (V) vs. SHE
Transcribed Image Text:7. On this polarization diagram, determine the values of Ecorr and icorr of metal M corroding to dissolved M2+ in a deaerated acid solution under activation control in the following solutions: (a) a solution with the concentration of dissolved H* of 1 M and (b) a solution with the concentration of dissolved H* of 10 M. Assume that the dash line represents the hydrogen cathodic line in 1 M concentration and the solid line represents the dissolution of metal M and e = eo + 0.059 log (H*]. 0,20 0.15 0.10 0.05 0.00 -0.05 0.10 -0.15 105 10 1 10 10 10 10 Corrosion current density (A.m) Potential (V) vs. SHE
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