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Determine the corrosion potential and the corrosion rate of zinc in 1 M HCl aqueous solution. Assume that the entire zinc surface acts as cathode
Determine the corrosion potential and the corrosion rate of zinc in 1 M HCl aqueous solution. Assume that the entire zinc surface acts as cathode and anode (hence, uniform corrosion), Tafel slopes are a=0.100 V and c=-0.100 V, and the exchange current densities for Zn dissolution and hydrogen evolution on Zn are 10-5 and 10-8 A/cm2 , respectively. Use Eeq for Zn+2/Zn =-0.762 V vs. NHE and Eeq for H+ /H2 =0 V vs. NHE.
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