A 10 L Buffer Solution Is 0

question 147

Multiple Choice

A 1.0 L buffer solution is 0.050 M HC₂H₃O₂ and 0.250 M LiC₂H₃O₂.Which of the following actions will destroy the buffer?

• A)adding 0.050 moles of NaOH
• B)adding 0.050 moles of HCl
• C)adding 0.050 moles of HC₂H₃O₂
• D)adding 0.050 moles of LiC₂H₃O₂
• E)None of the above will destroy the buffer.

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Definitions:

Gibbs Free Energy

A thermodynamic quantity used to predict the feasibility of a reaction at constant temperature and pressure.

PKa Values

Quantitative measures that describe the acidity of a compound, representing the negative log of the acid dissociation constant (Ka).

Equilibrium Constant

A numerical value that represents the ratio of concentrations of products to reactants at equilibrium in a reversible chemical reaction.

% Conversion

A measure of the efficiency of a chemical reaction, indicating the percentage of reactant that has been converted into product.