When the Pb²+ concentration is 1.47 M, the observed cell potential at 298 K for an electrochemical cell with the following reaction is 0.732 V. What is the Zn²+ concentration? 2+ Pb²+ (aq) +Zn(s)→ Pb(s) + Zn²+ (aq) Pb2+ (aq) + 2e Zn²+ (aq) + 2e [Zn²+] = M → Pb(s) E → Zn(s) E red = -0.126 V -0.763 V

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When the
Pb²+ concentration is 1.47 M, the observed cell potential at 298 K for an electrochemical cell with the following reaction is 0.732 V.
What is the
Zn²+ concentration?
D
Pb²+ (aq) +Zn(s) → Pb(s) + Zn²+ (aq)
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$
Pb2+ (aq) + 2e
Zn²+ (aq) + 2e
4
R
F
%
5
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M
→ Pb(s) Ee = -0.126 V
red
→ Zn(s) E = -0.763 V
red
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Transcribed Image Text:4 Q E When the Pb²+ concentration is 1.47 M, the observed cell potential at 298 K for an electrochemical cell with the following reaction is 0.732 V. What is the Zn²+ concentration? D Pb²+ (aq) +Zn(s) → Pb(s) + Zn²+ (aq) Submit Answer $ Pb2+ (aq) + 2e Zn²+ (aq) + 2e 4 R F % 5 [Review Topics] [References] Use the References to access important values if needed for this question. M → Pb(s) Ee = -0.126 V red → Zn(s) E = -0.763 V red Retry Entire Group T Cengage Learning | Cengage Technical Support G ^ 9 more group attempts remaining 6 & 7 H U * 8 J ( 9 K 0 ) O P Previous Email Instructor Next> Save and Exit
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