A student wishes to determine the chloride ion concentration in a water sample at 25 °C using a galvanic cell constructed with a graphite electrode and a half-cell of AgCI(s) + e Ag(s) + CI(aq) E°red = 0.2223 V %3D And a copper electrode with 0.500 M Cu2+ as the second half cell Cu2"(aq) + 2 e Cu(s) E°red%3D 0.337 V The measured cell potential when the water sample was placed into the silver side of the cell was 0.0679 V. Write the balanced equation for the overall reaction in acidic solution. 2 Ag(s) + 2 CI-(aq) + Cu2+ 2 AgCI + Cu(s)

A student wishes to determine the chloride ion concentration in a water sample at 25 °C using a galvanic cell constructed with a graphite electrode and a half-cell of AgCI(s) + e Ag(s) + CI(aq) E°red = 0.2223 V %3D And a copper electrode with 0.500 M Cu2+ as the second half cell Cu2"(aq) + 2 e Cu(s) E°red%3D 0.337 V The measured cell potential when the water sample was placed into the silver side of the cell was 0.0679 V. Write the balanced equation for the overall reaction in acidic solution. 2 Ag(s) + 2 CI-(aq) + Cu2+ 2 AgCI + Cu(s)

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter17: Electrochemistry And Its Applications

Section: Chapter Questions

Problem 111QRT

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