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AP Chemistry
9.9 Cell Potential and Free Energy
9.8 Galvanic (Voltaic) and Electrolytic Cells
BeginnerMCQDrawing RepresentationsConceptual17.4k
Galvanic cell used to model silver-ion recovery
Galvanic cell used to model silver-ion recovery
A student constructs the galvanic cell shown to model the recovery of silver ions from laboratory waste. Both solutions are at standard conditions and the salt bridge contains aqueous potassium nitrate. Relevant standard reduction potentials are given below.

Reduction half-reaction\(E^\circ\)
\(\text{Ag}^+\text{(aq)}+e^-\rightarrow\text{Ag(s)}\)\(+0.80\text{ V}\)
\(\text{Zn}^{2+}\text{(aq)}+2e^-\rightarrow\text{Zn(s)}\)\(-0.76\text{ V}\)

Which choice correctly identifies the electrode reactions, direction of electron flow, and salt-bridge ion migration in this cell?

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