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What is definition of pka value and difference between pH and pKa?

Updated: 5/24/2024

Wiki User

∙ 10y ago

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A pKa value is a measurement used for bases and acids. The measurement pH applies to hydronium ion concentrations that are in a solution, whereas pKa only applies to determining the amount of dissociation an acid wants to do in a solution.

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∙ 10y ago

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AnswerBot

∙ 7mo ago

The pKa value is a measure of the acidity or basicity of a molecule. It represents the pH at which the molecule is 50% dissociated. pH measures the concentration of hydrogen ions in a solution, while pKa is a specific value for a particular molecule that indicates its tendency to donate or accept protons.

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Continue Learning about Chemistry

What is the pka value of Doxofylline?

The pKa value of Doxofylline is approximately 4.22.

What is the pKa value of Acebrophylline?

The pKa value of Acebrophylline is approximately 1.8.

What is the pKa value of benzoic acid?

The pKa value of benzoic acid is approximately 4.2.

What is pKa value of Oxybutynin chloride?

The pKa value of oxybutynin chloride is around 8.0.

What is the pKa value for aripiprazole?

The pKa value for aripiprazole is approximately 7.8. This value indicates that aripiprazole is a weak base.

Related questions

What is the pka value of Doxofylline?

The pKa value of Doxofylline is approximately 4.22.

What is the Pka value of Azithromycin?

The pKa value of azithromycin is around 8.4.

What is the pKa value of Acebrophylline?

The pKa value of Acebrophylline is approximately 1.8.

What is the pKa value of benzoic acid?

The pKa value of benzoic acid is approximately 4.2.

What is pKa value of Oxybutynin chloride?

The pKa value of oxybutynin chloride is around 8.0.

What is the pka value of iodine?

The pKa value of iodine is not a well-defined quantity because iodine is not an acid that readily donates protons. Its pKa value is not commonly reported.

What is the pKa value for aripiprazole?

The pKa value for aripiprazole is approximately 7.8. This value indicates that aripiprazole is a weak base.

What is the pKa value for Hydroastatic acid and Periodic acid?

The pKa value for hydroastatic acid (H2AstO4) is approximately 7.2. The pKa value for periodic acid (H5IO6) is around 1.74.

Is there a pKa value for CO2 plus H2O - H2CO3?

Yes, the pKa value for the reaction of CO2 plus H2O to form H2CO3 is approximately 6.35. This represents the equilibrium constant between the dissolved CO2 and H2CO3 forms in water.

PKa value of diethylmalonate?

The pKa value of diethylmalonate is around 13.1. This makes diethylmalonate a weak acid, as it tends to not completely dissociate in water.

What is the pKa value of a ceftriaxone?

The pKa value of ceftriaxone is approximately 3.8.

What is the pKa value for sodium octanesulfonate?

The pKa value for sodium octanesulfonate is typically around 2.0 to 2.5.

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