In a Solution, When the Concentrations of a Weak Acid

question 41

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:

Source B

This does not appear to represent a standard key term within common academic or technical contexts. Therefore, NO.

Capacity

The maximum amount that something can contain or produce, often used in reference to production and manufacturing facilities, systems, and services.

Demand

The quantity of a good or service that consumers are willing and able to purchase at various prices during a specified time period.

Northwest-Corner Method

A technique used in solving transportation problems in operations research, starting with the top-left (northwest) corner of a matrix to minimize costs.