Chapter 3
Acid–Base Titration
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Valoración ácido-base: descripción general
Acid-base titration can be performed to determine an unknown concentration of acid using a known concentration of a base or vice versa.
When ...
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Titulación de un ácido fuerte con una base fuerte
During the titration of a strong acid with a strong base, the pH calculations are based on the concentration of the residual H3O+ or OH− ions.
For ...
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Titulación de un ácido débil con una base fuerte
Titration calculations for weak acids and strong bases involve different approaches, depending on the primary reactant.
Initially, 50 mL of 0.1 M acetic ...
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Valoración de una base débil con un ácido fuerte
The titration curve of a weak base like ammonia with a strong acid like hydrochloric acid is the mirror image of the titration curve of a weak acid with a ...
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Titulación de un ácido débil con una base débil
The titration of a weak acid like acetic acid with a weak base like aqueous ammonia produces a neutral ammonium acetate salt and water.
The titration ...
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Composición de la solución durante las valoraciones ácido/base
Recall that the titration of acetic acid with sodium hydroxide produces sodium acetate and water, resulting in a buffer.
The relative concentration of the ...
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Mezclas de ácidos
The pH of a solution containing an acid can be determined using its acid dissociation constant and initial concentration. If a solution contains two ...
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Valoración en disolventes no acuosos
The acid–base titrations occurring in the non-aqueous solvent are explained by the Bronsted–Lowry theory, where an acid behaves as a proton ...
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Valoración de la base poliprótica con un ácido fuerte
The titration of a polyprotic base such as sodium carbonate with a strong acid such as hydrochloric acid results in two equivalence points on the ...
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Valoración de ácidos polipróticos con una base fuerte
Titration of a polyprotic acid, which contains multiple ionizable protons, involves distinct dissociation steps, each with its own dissociation constant ...
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Composición de las soluciones de ácido poliprótico en función del pH
On titration with sodium hydroxide, polyprotic acids like maleic acid with two ionizable protons demonstrate two equivalence points on the titration ...
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Búferes: Descripción general
Adding a small amount of acid or base to a solution can cause a significant decrease or increase in the pH. However, many chemical and biochemical ...
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Buffers: Capacidad del búfer
Buffer capacity is the quantitative measure of a buffer to resist the change in pH. As shown in the following equation, the buffer capacity, denoted by ...
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Efecto de nivelación
In an acid–base reaction, when a base stronger than the conjugate base of the solvent is used, it deprotonates the solvent to produce the conjugate ...
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