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The Ionic Strength of a solution is a measure of the electrical intensity due to the presence of ions in the solution. Check FAQs
I=(12)(m+((Z+)2)+m-((Z-)2))
I - Ionic Strength?m+ - Molality of Cation?Z+ - Valencies of Cation?m- - Molality of Anion?Z- - Valencies of Anion?

Ionic Strength for Uni-Univalent Electrolyte Example

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Here is how the Ionic Strength for Uni-Univalent Electrolyte equation looks like with Values.

Here is how the Ionic Strength for Uni-Univalent Electrolyte equation looks like with Units.

Here is how the Ionic Strength for Uni-Univalent Electrolyte equation looks like.

0.024Edit=(12)(0.01Edit((2Edit)2)+0.002Edit((2Edit)2))
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Ionic Strength for Uni-Univalent Electrolyte Solution

Follow our step by step solution on how to calculate Ionic Strength for Uni-Univalent Electrolyte?

FIRST Step Consider the formula
I=(12)(m+((Z+)2)+m-((Z-)2))
Next Step Substitute values of Variables
I=(12)(0.01mol/kg((2)2)+0.002mol/kg((2)2))
Next Step Prepare to Evaluate
I=(12)(0.01((2)2)+0.002((2)2))
LAST Step Evaluate
I=0.024mol/kg

Ionic Strength for Uni-Univalent Electrolyte Formula Elements

Variables
Ionic Strength
The Ionic Strength of a solution is a measure of the electrical intensity due to the presence of ions in the solution.
Symbol: I
Measurement: MolalityUnit: mol/kg
Note: Value can be positive or negative.
Molality of Cation
The molality of Cation is defined as the number of moles of cation per kg of the solvent.
Symbol: m+
Measurement: MolalityUnit: mol/kg
Note: Value can be positive or negative.
Valencies of Cation
The Valencies of Cation are the positive charge of the ion in an electrolyte.
Symbol: Z+
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Molality of Anion
The Molality of Anion is defined as the number of moles of anion per kg of solvent.
Symbol: m-
Measurement: MolalityUnit: mol/kg
Note: Value can be positive or negative.
Valencies of Anion
The Valencies of Anion are the negative charge of the ion in an electrolyte.
Symbol: Z-
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.

Other Formulas to find Ionic Strength

​Go Ionic Strength for Bi-Bivalent Electrolyte
I=(12)(m+((Z+)2)+m-((Z-)2))
​Go Ionic Strength of Bi-Trivalent Electrolyte
I=(12)(2m+((Z+)2)+3m-((Z-)2))
​Go Ionic Strength of Uni-Bivalent Electrolyte
I=(12)(m+((Z+)2)+(2m-((Z-)2)))
​Go Ionic Strength using Debey-Huckel Limiting Law
I=(-ln(γ±)A(Zi2))2

Other formulas in Ionic Strength category

​Go Mean Activity Coefficient for Uni-Bivalent Electrolyte
γ±=A±(413)m
​Go Mean Activity Coefficient for Uni-Trivalent Electrolyte
γ±=A±(2714)m
​Go Mean Activity Coefficient for Uni-Univalent Electrolyte
γ±=A±m
​Go Mean Activity Coefficient using Debey-Huckel Limiting Law
γ±=exp(-A(Zi2)(I))

How to Evaluate Ionic Strength for Uni-Univalent Electrolyte?

Ionic Strength for Uni-Univalent Electrolyte evaluator uses Ionic Strength = (1/2)*(Molality of Cation*((Valencies of Cation)^2)+Molality of Anion*((Valencies of Anion)^2)) to evaluate the Ionic Strength, The Ionic strength for uni-univalent electrolyte formula is defined as the half of the submission of molality and square of the valencies of the ions available in the solution. An example of a uni-univalent electrolyte is NaCl, KBr, HCl, etc. Ionic Strength is denoted by I symbol.

How to evaluate Ionic Strength for Uni-Univalent Electrolyte using this online evaluator? To use this online evaluator for Ionic Strength for Uni-Univalent Electrolyte, enter Molality of Cation (m+), Valencies of Cation (Z+), Molality of Anion (m-) & Valencies of Anion (Z-) and hit the calculate button.

FAQs on Ionic Strength for Uni-Univalent Electrolyte

What is the formula to find Ionic Strength for Uni-Univalent Electrolyte?
The formula of Ionic Strength for Uni-Univalent Electrolyte is expressed as Ionic Strength = (1/2)*(Molality of Cation*((Valencies of Cation)^2)+Molality of Anion*((Valencies of Anion)^2)). Here is an example- 0.029 = (1/2)*(0.01*((2)^2)+0.002*((2)^2)).
How to calculate Ionic Strength for Uni-Univalent Electrolyte?
With Molality of Cation (m+), Valencies of Cation (Z+), Molality of Anion (m-) & Valencies of Anion (Z-) we can find Ionic Strength for Uni-Univalent Electrolyte using the formula - Ionic Strength = (1/2)*(Molality of Cation*((Valencies of Cation)^2)+Molality of Anion*((Valencies of Anion)^2)).
What are the other ways to Calculate Ionic Strength?
Here are the different ways to Calculate Ionic Strength-
  • Ionic Strength=(1/2)*(Molality of Cation*((Valencies of Cation)^2)+Molality of Anion*((Valencies of Anion)^2))OpenImg
  • Ionic Strength=(1/2)*(2*Molality of Cation*((Valencies of Cation)^2)+3*Molality of Anion*((Valencies of Anion)^2))OpenImg
  • Ionic Strength=(1/2)*(Molality of Cation*((Valencies of Cation)^2)+(2*Molality of Anion*((Valencies of Anion)^2)))OpenImg
Can the Ionic Strength for Uni-Univalent Electrolyte be negative?
Yes, the Ionic Strength for Uni-Univalent Electrolyte, measured in Molality can be negative.
Which unit is used to measure Ionic Strength for Uni-Univalent Electrolyte?
Ionic Strength for Uni-Univalent Electrolyte is usually measured using the Mole per Kilogram[mol/kg] for Molality. Millimole per Kilogram[mol/kg] are the few other units in which Ionic Strength for Uni-Univalent Electrolyte can be measured.
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