Which Is True When Electrochemical Cells Are Used as Chemical

question 3

Multiple Choice

Which is true when electrochemical cells are used as chemical probes?
I.All concentrations in the half-cells must be known except for the analyte of interest.
II. The analyte concentration is calculated from the equilibrium cell potential.
III. Equilibrium between the half-cells is established.
IV. Equilibrium within each half-cell is established and is assumed to remain at equilibrium.
V. Half-cells other than the S.H.E.can be used to determine pH.

• A)II,III,and IV
• B)I,IV,and V
• C)I and II
• D)III,IV,and V
• E)I,II,and V

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Definitions:

Cost of Goods Manufactured

The total production cost for goods completed during a given period, including labor, material, and overhead costs.

Calculate

The process of determining a numerical result or figure, typically by mathematical means.

Period

A specific timeframe for which financial statements are prepared or accounting transactions are evaluated.

Raw Materials Inventory Turnover

A ratio showing how many times a company’s raw materials inventory is used and replenished over a specific period.