
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Transcribed Image Text:When the Hg2+ concentration is 6.20x10-4 M, the
observed cell potential at 298K for an electrochemical
cell with the following reaction is 1.500v. What is the
Cr3+ concentration?
3H92+(aq) + 2Cr(s)3Hg(1) + 2Cr3+(aq)
Answer:
M
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- When the Pb2+ concentration is 5.46×10-4 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 2.147V. What is the Mg2+ concentration?Pb2+(aq) + Mg(s) Pb(s) + Mg2+(aq)arrow_forwardZn(s) │ Zn2+(aq, 0.10 M) ║ Zn2+(aq, 0.50 M) │ Zn(s) The concentration cell above was allowed to operate until the cell reaction reached equilibrium. What are the cell potential and the concentrations of zinc(II) in each half-cell for the cell now?arrow_forwardWhen the Hg2+ concentration is 1.63×104 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 2.401V. What is the A13+ concentration? 3Hg²+(aq) + 2Al(s)—>3Hg(1) + 2A13+(aq) Answer: Marrow_forward
- us the tabulated half cell potentials to calculate ▲G° for the following redox reaction 2Al(s) + 3Mg2+(aq) --> 2Al3+(aq) +3Mg(s)arrow_forwardWhen the Hg+ concentration is 8.47×104 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 2.422V. What is the Al3+ concentration? 3Hg*"(aq) + 2Al(s)- →3H9(1) + 2A1*(aq) Answer: 7.53x10^6arrow_forwardWhen the Cu2+ concentration is 2.68x10-4 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 2.600V. What is the Mg2+ concentration? Cu2+(aq) + Mg(s)→ Cu(s) + Mg2+(aq) Answer: | Marrow_forward
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