Concept explainers
Interpretation:
Concentration of lead ions in the unknown solution has to be determined.
Concept Introduction:
In all electrochemical cells, oxidation occurs at anode and reduction occurs at cathode.
An anode is indicated by negative sign and cathode is indicated by the positive sign.
Electrons flow in the external circuit from the anode to the cathode.
In the electrochemical cells two half cells are connected with salt bridge. It allows the cations and anions to move between the two half cells.
Standard potential
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Chemistry Principles And Practice
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