A Concentration Cell Is Built Using Two Au/Au³⁺ Half-Cells

question 88

Multiple Choice

A concentration cell is built using two Au/Au³⁺ half-cells. What is the cell potential E _cell for this concentration cell given the following two half-cell Au³⁺ ion concentrations:
[Au³⁺]_dil = 7.0×10 ^{- 4} M [Au³⁺]_conc = 2.5×10 ^{- 2} M

• A) - 0.092 V
• B) - 0.031 V
• C) 0.031 V
• D) 0.092 V
• E) 0.276 V

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Definitions:

Lower Lumbar

Referring to the lower part of the lumbar region of the back, which includes the lower vertebrae of the spine.

Quadratus Lumborum

A muscle in the lower back that helps with the movement of the spine as well as stabilizes the pelvis.

Transversus Abdominis

A muscle layer of the anterior and lateral abdominal wall which is deep to (layered below) the internal oblique muscle.

External Abdominal Oblique

A large muscle on the outer surface of the lower abdomen that functions in rotating and bending the body.