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Concentration of Anodic Electrolyte of Dilute Concentration Cell without Transference Calculator

Formula Used:

\[ \text{Anodic Concentration} = \frac{\text{Cathodic Concentration}}{\exp\left(\frac{\text{EMF of Cell} \times [Faraday]}{2 \times [R] \times \text{Temperature}}\right)} \]

mol/m³
V
K

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1. What is Concentration of Anodic Electrolyte?

Definition: This calculator determines the concentration of electrolyte in the anodic half-cell of a concentration cell without transference.

Purpose: It helps in electrochemical studies to understand the relationship between cell potential and electrolyte concentrations.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ c_1 = \frac{c_2}{\exp\left(\frac{E_{cell} \times F}{2 \times R \times T}\right)} \]

Where:

Explanation: The formula relates the concentration difference between half-cells to the measured cell potential at a given temperature.

3. Importance of This Calculation

Details: Accurate determination of electrolyte concentrations is crucial for understanding cell behavior, predicting reaction outcomes, and designing electrochemical systems.

4. Using the Calculator

Tips: Enter the cathodic concentration in mol/m³, cell EMF in volts, and temperature in Kelvin. Standard temperature is 298K (25°C).

5. Frequently Asked Questions (FAQ)

Q1: What is a concentration cell without transference?
A: It's an electrochemical cell where the same electrolyte is used in both half-cells but at different concentrations, without a salt bridge.

Q2: Why is temperature important in this calculation?
A: The Nernst equation (basis for this formula) is temperature-dependent, affecting the relationship between potential and concentration.

Q3: What are typical values for cathodic concentration?
A: This varies by experiment, but common ranges are 0.1-10 mol/m³ for dilute solutions.

Q4: How accurate is this calculation?
A: It's theoretically exact for ideal solutions. Real solutions may show deviations due to activity coefficients.

Q5: Can this be used for non-dilute solutions?
A: The formula assumes dilute solutions. For concentrated solutions, activities should be used instead of concentrations.

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