IndietroAcid Dissociation Constant definitions
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1/14IndietroSkip to main contentIndietroAcid Dissociation Constant
Equilibrium constant quantifying how readily an acid releases hydrogen ions in solution; higher values indicate stronger acids. Ka
Numerical value representing the tendency of an acid to donate hydrogen ions; used to compare acid strengths quantitatively. Equilibrium Constant
Ratio of product concentrations to reactant concentrations at equilibrium; applied to acid dissociation reactions. Hydrogen Ion
Positively charged particle released during acid dissociation; its concentration determines solution acidity. Conjugate Acid
Species formed when a base gains a hydrogen ion; can dissociate to yield a conjugate base and hydrogen ion. Conjugate Base
Species produced when an acid loses a hydrogen ion; participates in equilibrium with its conjugate acid. Polyprotic Acid
Molecule containing multiple acidic hydrogens, each capable of dissociation and associated with its own Ka value. Acidic Hydrogen
Hydrogen atom in an acid molecule that can dissociate to form a hydrogen ion; each has a unique Ka in polyprotic acids. Phosphoric Acid
Example of a polyprotic acid with three dissociable hydrogens, each contributing to separate Ka values. pKa
Logarithmic scale value derived from Ka; higher values correspond to weaker acids due to inverse relationship. Scientific Notation
Method for expressing very large or small Ka values, simplifying calculations and comparisons. Acetic Acid
Weak acid characterized by a small Ka and large pKa, illustrating the inverse relationship between these values. Hydrochloric Acid
Strong acid with a large Ka and small pKa, serving as a reference for acid strength comparisons. Logarithmic Scale
Mathematical approach used to convert Ka values into pKa, facilitating easier interpretation of acid strength.
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