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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

Chemistry
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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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
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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