What are concentration cells? What is Ɛ in a concentration cell? What is the driving force for a concentration cell to produce a voltage? Is the higher or the lower ion concentration solution present at the anode? When the anode ion concentration is decreased and/or the cathode ion concentration is increased, both give rise to larger cell potentials. Why? Concentration cells are commonly used to calculate the value of equilibrium constants for various reactions. For example, the silver concentration cell can be used to determine the Ksp value for AgCl(s). To do so, NaCl is added to the anode compartment until no more precipitate forms. The Cl- in solution is then determined somehow. What happens to Ɛcell when NaCl is added to the anode compartment? To calculate the Ksp value, Ag+ must be calculated. Given the value of Ɛcell how is Ag+ determined at the anode?

Chemical Principles in the Laboratory
11th Edition
ISBN:9781305264434
Author:Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Publisher:Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Chapter32: Voltaic Cell Measurements
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What are concentration cells? What is Ɛ in a concentration cell?
What is the driving force for a concentration cell to produce a
voltage? Is the higher or the lower ion concentration solution
present at the anode? When the anode ion concentration is
decreased and/or the cathode ion concentration is increased, both
give rise to larger cell potentials. Why? Concentration cells are
commonly used to calculate the value of equilibrium constants for various reactions. For example, the silver concentration cell can be used to determine the Ksp value for AgCl(s). To do so, NaCl is added to the anode compartment until no more precipitate forms. The Cl- in solution is then determined somehow. What happens to Ɛcell
when NaCl is added to the anode compartment? To calculate the Ksp value, Ag+ must be calculated. Given the value of Ɛcell how is Ag+ determined at the anode?

What are concentration cells? What is
in a concentration cell?
What is the driving force for a concentration cell to produce a
voltage? Is the higher or the lower ion concentration solution
present at the anode? When the anode ion concentration is
decreased and/or the cathode ion concentration is increased, both
give rise to larger cell potentials. Why? Concentration cells are
commonly used to calculate the value of equilibrium constants for
various reactions. For example, the silver concentration cell
illustrated in Fig. 17-9 can be used to determine the Kep value for
AgCl(s). To do so, Nacl is added to the anode compartment until
no more precipitate forms. The [Cl] in solution is then
determined somehow. What happens to Ccell when NaCl is added to
the anode compartment? To calculate the Kep value, [Ag*] must be
calculated. Given the value of cel, how is [Ag*] determined at the
anode?
Transcribed Image Text:What are concentration cells? What is in a concentration cell? What is the driving force for a concentration cell to produce a voltage? Is the higher or the lower ion concentration solution present at the anode? When the anode ion concentration is decreased and/or the cathode ion concentration is increased, both give rise to larger cell potentials. Why? Concentration cells are commonly used to calculate the value of equilibrium constants for various reactions. For example, the silver concentration cell illustrated in Fig. 17-9 can be used to determine the Kep value for AgCl(s). To do so, Nacl is added to the anode compartment until no more precipitate forms. The [Cl] in solution is then determined somehow. What happens to Ccell when NaCl is added to the anode compartment? To calculate the Kep value, [Ag*] must be calculated. Given the value of cel, how is [Ag*] determined at the anode?
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