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 0.0549 V. Given the standard cell potential for this cell is 0.115 V, and the measured cell potential is 0.0549, what is the concentration of chloride ions in the solution?

Chemistry: The Molecular Science
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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) + CI (aq) E°red = 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%3D 0.337 V
The measured cell potential when the water sample was placed into the
silver side of the cell was 0.0549 V.
Given the standard cell potential for this cell is 0.115 V, and the
measured cell potential is 0.0549, what is the concentration of chloride
ions in the solution?
Incorrect, 3 attempts remaining
Your submitted answer contains too many
significant figures.
Your submission:
Feedback:
Use the Nernst equation solve for the concentration of
chloride ions based on the cell potential given. Consider
how the reaction quotient is calculated.
0.2322 M
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) + CI (aq) E°red = 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%3D 0.337 V The measured cell potential when the water sample was placed into the silver side of the cell was 0.0549 V. Given the standard cell potential for this cell is 0.115 V, and the measured cell potential is 0.0549, what is the concentration of chloride ions in the solution? Incorrect, 3 attempts remaining Your submitted answer contains too many significant figures. Your submission: Feedback: Use the Nernst equation solve for the concentration of chloride ions based on the cell potential given. Consider how the reaction quotient is calculated. 0.2322 M
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