Question
(a) Calcule si el cobre se corroer en CuSO 4 desaireado, pH = 0, para formar Cu 2+ (actividad = 0,1) y H 2 (1
(a) Calcule si el cobre se corroer en CuSO 4 desaireado, pH = 0, para
formar Cu 2+ (actividad = 0,1) y H 2 (1 atm). Cul es la tendencia a la corrosin?
en voltios?
(b) De manera similar, calcule si el cobre se corroer en KCN desaireado.
(actividad CN = 0,5) de pH = 10, suponiendo que Cu(CN)2
se forma, el
cuya actividad es 10 4 .
Cu(CN)2 + e 2CN + Cu = 0,446 V
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Chemical Technicians Ready Reference Handbook
Authors: Jack T. Ballinger , Gershon J. Shugar
5th Edition
0071745920, 9780071745925
