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Author Question: You wish to electroplate a metal utensil with a surface area of 736 cm2 with gold to give an average ... (Read 56 times)

effaey

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on: Nov 5, 2023

Question 1

Write the formula of the strongest reducing agent. given the following standard reduction potentials in acid solution
O2 + 4H+ + 4e–→2H2O
E° = +1.23 V
Sn4+ + 2e–→Sn2+
E° = +0.13 V
Zn2+ + 2e–→Zn(s)
E° = –0.76 V
 


Question 2

You wish to electroplate a metal utensil with a surface area of 736 cm2 with gold to give an average thickness of 0.025 mm over the entire surface. Starting with a solution of excess Au3+ and applying a constant current of 14 A, how long will it take to electroplate the utensil? The density of gold is 19.3 g/cm3.
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by effaey on Nov 5, 2023

ealonif

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Reply #1 on: Nov 5, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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effaey

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Reply 2 on: Nov 5, 2023
Gracias!

Viet Thy

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Reply 3 on: Yesterday
Excellent

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