2. A student wishes to dissolve a 5.85 g gold coin into solution electrolytically. Her power supply can only provide 300 mA. Estimate how long it will take her to dissolve the entire coin. Au* + e° 2 Au(s) E° = 1.69 V (A) 28.3 min (B) 1.57 h (C) 2.65 h (D) 2.01 days (E) 1.65 weeks

2. A student wishes to dissolve a 5.85 g gold coin into solution electrolytically. Her power supply can only provide 300 mA. Estimate how long it will take her to dissolve the entire coin. Au* + e° 2 Au(s) E° = 1.69 V (A) 28.3 min (B) 1.57 h (C) 2.65 h (D) 2.01 days (E) 1.65 weeks

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter12: Chemical Equilibrium

Section: Chapter Questions

Problem 12.6PAE

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Question

2. A student wishes to dissolve a 5.85 g gold coin into solution electrolytically. Her power supply can only
provide 300 mA. Estimate how long it will take her to dissolve the entire coin.
Au* + e2 Au(s)
(A) 28.3 min
E° = 1.69 V
(B) 1.57 h
(C) 2.65 h
(D) 2.01 days
(E) 1.65 weeks

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