A Concentration Cell Is Constructed Using Two Co Electrodes with Co²⁺

question 63

Multiple Choice

A concentration cell is constructed using two Co electrodes with Co²⁺ concentrations of 0.20 M and 3.6 × 10^-5 M in the two half-cells. Determine the standard reduction potential of Co²⁺, given that the potential of the cell at 25°C is 0.111 V.

• A) +0.221 V
• B) +0.111 V
• C) -0.111 V
• D) This cannot be determined with the information given.
• E) 0 V

---

Definitions:

Situation

A set of circumstances or a state of affairs at a particular time and place.

Fundamental Principle

A basic, essential rule or concept that serves as the foundation for a system of belief, behavior, or reasoning.

Aristotle

An ancient Greek philosopher and scientist, one of the greatest intellectual figures of Western history, known for his works on ethics, politics, logic, and science.

Consequentialists

Ethical theorists who believe that the morality of an action is determined by its outcomes or consequences, rather than by the action itself or any set of rules.