The Standard Emf for the Cell Using the Overall Cell

question 12

Multiple Choice

The standard emf for the cell using the overall cell reaction below is +2.20 V: 2Al (s) + 3I₂ (s) → 2Al³⁺ (aq) + 6I^- (aq)
The emf generated by the cell when [Al³⁺] = 3.5 × 10^-3 M and [I^-] = 0.30 M is ________ V.

• A)2.20
• B)2.28
• C)2.12
• D)2.36
• E)2.23

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Definitions:

Present Value Factor

A factor used in calculating the present value of a future sum of money or a stream of cash flows, given a specific interest rate.

Annuity

A financial product that provides regular payments over a specified period of time, often used as a retirement income strategy.

Equal Annual

This term refers to an approach or method where amounts or payments are distributed equally across multiple years.

Net Present Value

A method used to evaluate the profitability of an investment by calculating the difference between the present value of cash inflows and outflows over a period of time.