Buffer Solutions

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Flashcards covering key terms and concepts related to buffer solutions, including definitions and important equations.

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6 Terms

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Buffer Solution

A solution composed of a weak acid and its conjugate weak base that maintains a relatively constant pH level.

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Henderson-Hasselbalch Equation

A formula used to calculate the pH of a buffer solution: pH = pKa + log([A-]/[HA]).

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Ka (Acid Dissociation Constant)

A measure of the strength of an acid in solution, calculated from the concentration of products and reactants.

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pKa

The negative logarithm of the Ka, used to express the acidity of a solution; pKa = -log(Ka).

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Acid-Base Reaction

A reaction that occurs between an acid and a base, typically resulting in the formation of water and a salt.

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Ratio of Acid to Base

The relationship between the amounts of conjugate acid and base in a buffer, crucial for determining pH.