Dissociation Constant of Weak Acid given pKa Solution

STEP 0: Pre-Calculation Summary
Formula Used
Dissociation Constant of Weak Acid = 10^(-Negative Log of Acid Ionization Constant)
Ka = 10^(-pKa)
This formula uses 2 Variables
Variables Used
Dissociation Constant of Weak Acid - The Dissociation Constant of Weak Acid is a quantitative measure of the strength of a weak acid in solution.
Negative Log of Acid Ionization Constant - Negative Log of Acid Ionization Constant gives us the acid ionization constant value on the pH scale.
STEP 1: Convert Input(s) to Base Unit
Negative Log of Acid Ionization Constant: 5 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Ka = 10^(-pKa) --> 10^(-5)
Evaluating ... ...
Ka = 1E-05
STEP 3: Convert Result to Output's Unit
1E-05 --> No Conversion Required
FINAL ANSWER
1E-05 1E-5 <-- Dissociation Constant of Weak Acid
(Calculation completed in 00.020 seconds)

Credits

Created by Shivam Sinha
National Institute Of Technology (NIT), Surathkal
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Verified by Akshada Kulkarni
National Institute of Information Technology (NIIT), Neemrana
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14 Acidity and pH Scale Calculators

pOH of Mixture of Strong Acid and Strong Base when Solution is Basic in Nature
Go Negative Log of Hydroxyl Concentration = 14+log10((Normality of Solution 1*Volume of Solution 1-Normality of Solution 2*Volume of Solution 2)/(Volume of Solution 1+Volume of Solution 2))
pH of Mixture of Strong Acid and Strong Base when Solution is Acidic in Nature
Go Negative Log of Hydronium Concentration = -log10((Normality of Solution 1*Volume of Solution 1-Normality of Solution 2*Volume of Solution 2)/(Volume of Solution 1+Volume of Solution 2))
pH of Mixture of Two Strong Acids
Go Negative Log of Hydronium Concentration = -log10((Normality of Solution 1*Volume of Solution 1+Normality of Solution 2*Volume of Solution 2)/(Volume of Solution 1+Volume of Solution 2))
pOH of Mixture of Two Strong Bases
Go Negative Log of Hydroxyl Concentration = -log10((Normality of Solution 1*Volume of Solution 1+Normality of Solution 2*Volume of Solution 2)/(Volume of Solution 1+Volume of Solution 2))
pKa given Dissociation Constant of Weak Acid
Go Negative Log of Acid Ionization Constant = -log10(Dissociation Constant of Weak Acid)
pKb given Dissociation constant of Weak Base
Go Negative Log of Base Ionization Constant = -log10(Dissociation Constant of Weak Base)
pH given Concentration of Hydrogen Ion
Go Negative Log of Hydronium Concentration = -log10(Concentration of Hydrogen Ion)
pOH given Concentration of Hydroxyl Ion
Go Negative Log of Hydroxyl Concentration = -log10(Concentration of Hydroxyl Ion)
pH given Activity of Hydrogen Ion
Go Negative Log of Hydronium Concentration = -log10(Activity of Hydrogen Ion)
Dissociation Constant of Weak Acid given pKa
Go Dissociation Constant of Weak Acid = 10^(-Negative Log of Acid Ionization Constant)
Dissociation Constant of Weak Base given pKb
Go Dissociation Constant of Weak Base = 10^(-Negative Log of Base Ionization Constant)
Concentration of Hydrogen Ion given pH
Go Concentration of Hydrogen Ion = 10^(-Negative Log of Hydronium Concentration)
Concentration of Hydroxyl Ion given pOH
Go Concentration of Hydroxyl Ion = 10^(-Negative Log of Hydroxyl Concentration)
Activity of Hydrogen Ion given pH
Go Activity of Hydrogen Ion = 10^(-Negative Log of Hydronium Concentration)

Dissociation Constant of Weak Acid given pKa Formula

Dissociation Constant of Weak Acid = 10^(-Negative Log of Acid Ionization Constant)
Ka = 10^(-pKa)

What is pKa value?

The pKa value is one method used to indicate the strength of an acid. pKa is the negative log of the acid dissociation constant or Ka value. A lower pKa value indicates a stronger acid. That is, the lower value indicates the acid more fully dissociates in water.

How to Calculate Dissociation Constant of Weak Acid given pKa?

Dissociation Constant of Weak Acid given pKa calculator uses Dissociation Constant of Weak Acid = 10^(-Negative Log of Acid Ionization Constant) to calculate the Dissociation Constant of Weak Acid, The Dissociation Constant of Weak Acid given pKa formula is defined as the reciprocal of ten to the power of pKa. Dissociation Constant of Weak Acid is denoted by Ka symbol.

How to calculate Dissociation Constant of Weak Acid given pKa using this online calculator? To use this online calculator for Dissociation Constant of Weak Acid given pKa, enter Negative Log of Acid Ionization Constant (pKa) and hit the calculate button. Here is how the Dissociation Constant of Weak Acid given pKa calculation can be explained with given input values -> 1E-5 = 10^(-5).

FAQ

What is Dissociation Constant of Weak Acid given pKa?
The Dissociation Constant of Weak Acid given pKa formula is defined as the reciprocal of ten to the power of pKa and is represented as Ka = 10^(-pKa) or Dissociation Constant of Weak Acid = 10^(-Negative Log of Acid Ionization Constant). Negative Log of Acid Ionization Constant gives us the acid ionization constant value on the pH scale.
How to calculate Dissociation Constant of Weak Acid given pKa?
The Dissociation Constant of Weak Acid given pKa formula is defined as the reciprocal of ten to the power of pKa is calculated using Dissociation Constant of Weak Acid = 10^(-Negative Log of Acid Ionization Constant). To calculate Dissociation Constant of Weak Acid given pKa, you need Negative Log of Acid Ionization Constant (pKa). With our tool, you need to enter the respective value for Negative Log of Acid Ionization Constant and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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