This preview shows page 1. Sign up to view the full content.
Unformatted text preview: If so, how does the 2. In a study of the reduction of aqueous zinc(II) at mercury to form an amalgam Zn 2+ + 2 e + Hg Zn(Hg) the exchange-current density, j o , where j o = i o of solutions containing various concentrations of Zn / A , was determined for each of a series 2+ sodium perchlorate) in contact with a zinc amalgam of fixed composition: (in the presence of 0.9 M [Zn 2+ ], M j o , mA cm ____________________________________________________ 2 0.00142 7.09 0.00187 9.02 0.00234 10.4 0.00500 19.2 0.00705 24.3 0.0100 33.7 0.0160 47.5 (a) Evaluate . (b) If the concentration of elemental zinc in the amalgam phase was 0.100 M, what is the value of k o ?...
View Full Document
This note was uploaded on 01/18/2012 for the course C 611 taught by Professor Dennisg.peters during the Fall '10 term at Indiana.
- Fall '10