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Author Question: What mass of chromium could be deposited by electrolysis of an aqueous solution of Cr2(SO4)3 for 165 ... (Read 115 times)

renzo156

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Question 1

What is ΔG° for the following electrochemical equation? (E°red(K+/K) = –2.931 V, E°red(Ca2+/Ca) = –2.868 V)
2K(s) + Ca2+(aq) → 2K+(aq) + Ca(s)

12 kJ/mol
–6 kJ/mol
–12 kJ/mol
–24 kJ/mol
24 kJ/mol

Question 2

What mass of chromium could be deposited by electrolysis of an aqueous solution of Cr2(SO4)3 for 165 minutes using a constant current of 12.0 amperes?

0.187 g
192.1 g
0.356 g
32.0 g
21.3 g


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Marked as best answer by renzo156 on Mar 21, 2021

Yixagurpuldink

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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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renzo156

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Reply 2 on: Mar 21, 2021
Gracias!


cpetit11

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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