The distance between two electrodes of a cell 2.5 cm and area of each electrode is 5 cm2. The cell constant is0.5 m–112.5 cm32.0 cm50 m–1
Question
The distance between two electrodes of a cell is 2.5 cm and area of each electrode is 5 cm². The cell constant is:
- 0.5 m⁻¹
- 12.5 cm⁻¹
- 2.0 cm
- 50 m⁻¹
Solution
It seems like there might be some confusion in your question as it's not clear. However, if you're asking how to calculate the cell constant, here's how you can do it:
The cell constant (K) of a conductivity cell is the ratio of the distance (d) between the electrodes to the area (A) of the electrode. It is usually given in cm-1.
The formula is: K = d/A
Given:
- The distance between two electrodes (d) = 2.5 cm
- The area of each electrode (A) = 5 cm2
Substitute these values into the formula:
K = 2.5 cm / 5 cm2 = 0.5 cm-1
So, the cell constant is 0.5 cm-1.
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