9. A quantity of electric charge deposits 0.732 g of Ag(s) from an aqueous solution of silver nitrate. When that same quantity of charge is passed through a solution of a metal salt, 0.199 g of metal is formed. Which half reaction correctly describes the cathode in this system? a. Ke→K b. Ag++e Ag C. Cu2e Cu d. Au³ 3e Au e. Ni2e Ni

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Chapter18: Oxidation–reduction Reactions And Electrochemistry
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9.
A quantity of electric charge deposits 0.732 g of Ag(s) from an aqueous solution of silver nitrate. When that
same quantity of charge is passed through a solution of a metal salt, 0.199 g of metal is formed. Which half
reaction correctly describes the cathode in this system?
a. Ke→K
b. Ag++e Ag
C.
Cu2e
Cu
d. Au³ 3e
Au
e.
Ni2e
Ni
Transcribed Image Text:9. A quantity of electric charge deposits 0.732 g of Ag(s) from an aqueous solution of silver nitrate. When that same quantity of charge is passed through a solution of a metal salt, 0.199 g of metal is formed. Which half reaction correctly describes the cathode in this system? a. Ke→K b. Ag++e Ag C. Cu2e Cu d. Au³ 3e Au e. Ni2e Ni
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