When the РЬ" concentration is 1.24 M, the observed cell potential at 298 K for an electrochemical cell with the following reaction is 0.579 v. What is the Ch concentration? Use the References to access important values if needed for this question 3Pb (g) +2Cr()-3Pb() +20¹³(g) Pb²+ (aq) + 2e → Pb() E--0.126 V Cr³+ (aq) + 3e→Cr(a) -0.740 V Submit Answer M Try Another Version 2 tem attempts remaining
When the РЬ" concentration is 1.24 M, the observed cell potential at 298 K for an electrochemical cell with the following reaction is 0.579 v. What is the Ch concentration? Use the References to access important values if needed for this question 3Pb (g) +2Cr()-3Pb() +20¹³(g) Pb²+ (aq) + 2e → Pb() E--0.126 V Cr³+ (aq) + 3e→Cr(a) -0.740 V Submit Answer M Try Another Version 2 tem attempts remaining
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Chapter19: Electrochemistry
Section: Chapter Questions
Problem 19.72QP: What is the standard cell potential you would obtain from a cell at 25C using an electrode in which...
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Transcribed Image Text:When the
Pb concentration is 1.24 M, the observed cell potential at 298 K for an electrochemical cell with the following reaction is 0.679 V. What is the
C concentration?
Use the References to access important values if needed for this question.
3Pb (aq) +2Cr(a). -3Pb() +2Cr (aq)
Pb²+ (aq) + 2e → Pb() E--0.126 V
Cr³+ (aq) + 3e
→ Cr(a)-0.740 V
Submit Answer
M
Try Another Version 2 item attempts remaining
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