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Cathodic Ionic Activity is the measure of the effective concentration of a molecule or ionic species in a cathodic half-cell. Check FAQs
a2=(exp(Ecell[Faraday]t-[R]T))a1
a2 - Cathodic Ionic Activity?Ecell - EMF of Cell?t- - Transport Number of Anion?T - Temperature?a1 - Anodic Ionic Activity?[Faraday] - Faraday constant?[R] - Universal gas constant?

Activity of Cathodic Electrolyte of Concentration Cell with Transference Example

With values
With units
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Here is how the Activity of Cathodic Electrolyte of Concentration Cell with Transference equation looks like with Values.

Here is how the Activity of Cathodic Electrolyte of Concentration Cell with Transference equation looks like with Units.

Here is how the Activity of Cathodic Electrolyte of Concentration Cell with Transference equation looks like.

2.6E+8Edit=(exp(0.51Edit96485.33210.48Edit8.3145298Edit))2.8E-10Edit
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Activity of Cathodic Electrolyte of Concentration Cell with Transference Solution

Follow our step by step solution on how to calculate Activity of Cathodic Electrolyte of Concentration Cell with Transference?

FIRST Step Consider the formula
a2=(exp(Ecell[Faraday]t-[R]T))a1
Next Step Substitute values of Variables
a2=(exp(0.51V[Faraday]0.48[R]298K))2.8E-10mol/kg
Next Step Substitute values of Constants
a2=(exp(0.51V96485.33210.488.3145298K))2.8E-10mol/kg
Next Step Prepare to Evaluate
a2=(exp(0.5196485.33210.488.3145298))2.8E-10
Next Step Evaluate
a2=260714882.202915mol/kg
LAST Step Rounding Answer
a2=2.6E+8mol/kg

Activity of Cathodic Electrolyte of Concentration Cell with Transference Formula Elements

Variables
Constants
Functions
Cathodic Ionic Activity
Cathodic Ionic Activity is the measure of the effective concentration of a molecule or ionic species in a cathodic half-cell.
Symbol: a2
Measurement: MolalityUnit: mol/kg
Note: Value can be positive or negative.
EMF of Cell
The EMF of Cell or electromotive force of a cell is the maximum potential difference between two electrodes of a cell.
Symbol: Ecell
Measurement: Electric PotentialUnit: V
Note: Value can be positive or negative.
Transport Number of Anion
The Transport Number of Anion is ratio of current carried by anion to total current.
Symbol: t-
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Temperature
Temperature is the degree or intensity of heat present in a substance or object.
Symbol: T
Measurement: TemperatureUnit: K
Note: Value can be positive or negative.
Anodic Ionic Activity
The Anodic Ionic Activity is the measure of the effective concentration of a molecule or ionic species in an anodic half cell.
Symbol: a1
Measurement: MolalityUnit: mol/kg
Note: Value can be positive or negative.
Faraday constant
Faraday constant represents the charge of one mole of electrons and is used in electrochemistry to relate the amount of substance undergoing oxidation.
Symbol: [Faraday]
Value: 96485.33212
Universal gas constant
Universal gas constant is a fundamental physical constant that appears in the ideal gas law, relating the pressure, volume, and temperature of an ideal gas.
Symbol: [R]
Value: 8.31446261815324
exp
n an exponential function, the value of the function changes by a constant factor for every unit change in the independent variable.
Syntax: exp(Number)

Other Formulas to find Cathodic Ionic Activity

​Go Activity of Cathodic Electrolyte of Concentration Cell without Transference
a2=a1(exp(Ecell[Faraday][R]T))
​Go Activity of Cathodic Electrolyte of Concentration Cell with Transference given Valencies
a2=(exp(Ecellν±[Faraday]t-ν[R]T))a1

Other formulas in Activity of Electrolytes category

​Go Activity Coefficient given Ionic Activity
γ=(am)
​Go Activity of Anodic Electrolyte of Concentration Cell without Transference
a1=a2exp(Ecell[Faraday][R]T)
​Go Activity Coefficient of Cathodic Electrolyte of Concentration Cell without Transference
γ2=(exp(Ecell[Faraday]2[R]T))(m1γ1M2)
​Go Activity Coefficient of Anodic Electrolyte of Concentration Cell without Transference
γ1=M2γ2m1exp(Ecell[Faraday]2[R]T)

How to Evaluate Activity of Cathodic Electrolyte of Concentration Cell with Transference?

Activity of Cathodic Electrolyte of Concentration Cell with Transference evaluator uses Cathodic Ionic Activity = (exp((EMF of Cell*[Faraday])/(Transport Number of Anion*[R]*Temperature)))*Anodic Ionic Activity to evaluate the Cathodic Ionic Activity, The Activity of Cathodic Electrolyte of Concentration Cell with Transference formula is defined as the relation with emf of the cell and with the transport number of the anion in the electrolytic solution. Cathodic Ionic Activity is denoted by a2 symbol.

How to evaluate Activity of Cathodic Electrolyte of Concentration Cell with Transference using this online evaluator? To use this online evaluator for Activity of Cathodic Electrolyte of Concentration Cell with Transference, enter EMF of Cell (Ecell), Transport Number of Anion (t-), Temperature (T) & Anodic Ionic Activity (a1) and hit the calculate button.

FAQs on Activity of Cathodic Electrolyte of Concentration Cell with Transference

What is the formula to find Activity of Cathodic Electrolyte of Concentration Cell with Transference?
The formula of Activity of Cathodic Electrolyte of Concentration Cell with Transference is expressed as Cathodic Ionic Activity = (exp((EMF of Cell*[Faraday])/(Transport Number of Anion*[R]*Temperature)))*Anodic Ionic Activity. Here is an example- 2.6E+8 = (exp((0.51*[Faraday])/(0.48*[R]*298)))*2.8E-10.
How to calculate Activity of Cathodic Electrolyte of Concentration Cell with Transference?
With EMF of Cell (Ecell), Transport Number of Anion (t-), Temperature (T) & Anodic Ionic Activity (a1) we can find Activity of Cathodic Electrolyte of Concentration Cell with Transference using the formula - Cathodic Ionic Activity = (exp((EMF of Cell*[Faraday])/(Transport Number of Anion*[R]*Temperature)))*Anodic Ionic Activity. This formula also uses Faraday constant, Universal gas constant and Exponential Growth (exp) function(s).
What are the other ways to Calculate Cathodic Ionic Activity?
Here are the different ways to Calculate Cathodic Ionic Activity-
  • Cathodic Ionic Activity=Anodic Ionic Activity*(exp((EMF of Cell*[Faraday])/([R]*Temperature)))OpenImg
  • Cathodic Ionic Activity=(exp((EMF of Cell*Number of Positive and Negative Ions*Valencies of Positive and Negative Ions*[Faraday])/(Transport Number of Anion*Total number of Ions*[R]*Temperature)))*Anodic Ionic ActivityOpenImg
Can the Activity of Cathodic Electrolyte of Concentration Cell with Transference be negative?
Yes, the Activity of Cathodic Electrolyte of Concentration Cell with Transference, measured in Molality can be negative.
Which unit is used to measure Activity of Cathodic Electrolyte of Concentration Cell with Transference?
Activity of Cathodic Electrolyte of Concentration Cell with Transference is usually measured using the Mole per Kilogram[mol/kg] for Molality. Millimole per Kilogram[mol/kg] are the few other units in which Activity of Cathodic Electrolyte of Concentration Cell with Transference can be measured.
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