Chapter 3
Acid–Base Titration
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Titulação ácido-base: Visão geral
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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Titulação de um ácido forte com uma base forte
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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Titulação de um ácido fraco com uma base forte
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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Titulação de uma Base Fraca com um Ácido Forte
The weak base versus strong acid titration curve is the reverse of a weak acid-strong base titration curve.
Aqueous ammonia forms ammonium and hydroxide ...
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Titulação de um ácido fraco com uma base fraca
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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Composição da solução durante titulações 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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Misturas de ácidos
In a mixture of strong and weak acid, the strong acid dissociates completely, significantly elevating H3O+ ion concentration, while the weak acid only ...
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Titulação em solventes não aquosos
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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Titulação de Base Poliprótica com Ácido Forte
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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Titulação de ácidos polipróticos com base forte
Polyprotic acids contain multiple ionizable protons, each dissociating differently, with each successive acid dissociation constant, being weaker than the ...
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Composição de soluções de ácido poliprótico em função do 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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Buffers: Visão geral
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: Capacidade do buffer
Buffer capacity, represented as beta, is the quantitative measure of a buffer's resistance to pH change upon adding an acid or base. It is expressed ...
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Efeito de nivelamento
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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