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 AgCl(s) + e- Ag(s) + Cl(aq) Eºred = 0.2223 V And a copper electrode with 0.500 M Cu²+ as the second half cell Cu²+ (aq) + 2 e- Cu(s) Eᵒred= 0.337 V The measured cell potential when the water sample was placed into the silver side of the cell was 0.0777 V. Given the standard cell potential for this cell is 0.115 V, and the measured cell potential is 0.0777, what is the concentration of chloride ions in the solution?

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
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Chapter17: Electrochemistry And Its Applications
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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
AgCl(s) + e → Ag(s) + Cl(aq) Eºred = 0.2223 V
And a copper electrode with 0.500 M Cu²+ as the second half cell
Cu²+ (aq) + 2 e → Cu(s) E°red= 0.337 V
The measured cell potential when the water sample was placed into
the silver side of the cell was 0.0777 V.
Given the standard cell potential for this cell is 0.115 V, and the
measured cell potential is 0.0777, what is the concentration of chloride
ions in the solution?
Transcribed Image Text: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 AgCl(s) + e → Ag(s) + Cl(aq) Eºred = 0.2223 V And a copper electrode with 0.500 M Cu²+ as the second half cell Cu²+ (aq) + 2 e → Cu(s) E°red= 0.337 V The measured cell potential when the water sample was placed into the silver side of the cell was 0.0777 V. Given the standard cell potential for this cell is 0.115 V, and the measured cell potential is 0.0777, what is the concentration of chloride ions in the solution?
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