A Concentration Cell Is Constructed by Using the Same Half-Reaction $E _ { \mathrm { red } } ^ { \circ }$

question 14

Multiple Choice

A concentration cell is constructed by using the same half-reaction for both the cathode and anode. What is the value of E_cell for a concentration cell that combines silver electrodes in contact with 0.10 M silver nitrate and 0.00003 M silver nitrate solutions? ( $E _ { \mathrm { red } } ^ { \circ }$ = +0.80 V for Ag/Ag⁺)

• A) +0.21 V
• B) +0.59 V
• C) +0.80 V
• D) -0.21 V
• E) +1.01 V

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Definitions:

Atomic Nuclei

The central core of an atom containing protons and neutrons, around which electrons orbit.

Element

Substance composed of atoms of only one kind.

Chemical Characteristics

Properties or behaviors of substances that describe their composition, reactivity, and the changes they undergo during chemical reactions.

Atom

The basic unit of a chemical element, consisting of a nucleus of protons and neutrons, and electrons orbiting the nucleus.