In a Solution,when the Concentrations of a Weak Acid and Its

question 26

Multiple Choice

In a solution,when the concentrations of a weak acid and its conjugate base are equal,________.

• A)the system is not at equilibrium
• B)the buffering capacity is significantly decreased
• C)the -log of the [H⁺] and the -log of the K_a are equal
• D)All of the above are true.

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Definitions:

Gambler's Fallacy

A logical fallacy in which one assumes that future probabilities are altered by past events, often seen in gambling when assuming a certain outcome is "due".

Sunk Cost Fallacy

The misconception of valuing a project or investment based on the amount of resources already invested, rather than the prospective future returns.

Argumentum Ad Hominem

A logical fallacy that occurs when an argument is rebutted by attacking the character, motive, or other attribute of the person making the argument, rather than addressing the substance of the argument itself.

Gambler's Fallacy

The erroneous belief that if an event happens more frequently than normal during a past period, it will happen less frequently in the future, or vice versa.