A Voltaic Cell Consists of a Mn/Mn²⁺ Electrode (E° =

question 47

Multiple Choice

A voltaic cell consists of a Mn/Mn²⁺ electrode (E° = -1.18 V) and a Fe/Fe²⁺ electrode (E° = -0.44 V) . Calculate [Fe²⁺] if [Mn²⁺] = 0.050 M and E_cell = 0.78 V at 25°C.

• A) 0.040 M
• B) 0.24 M
• C) 1.1 M
• D) 1.8 M
• E) None of these choices is correct.

---

Definitions:

Motivation

Accounts for the level, direction and persistence of effort expended at work.

Forces within

Internal factors or elements that influence the behavior, operation, or progress of an individual, group, or system.

Persistence of Effort

The sustained and continuous application of effort towards a goal despite challenges or obstacles.

Need Satisfaction

The fulfillment of a desire or requirement, especially as it pertains to consumer demands or employee expectations.