When the Concentration of the Conjugate Base of a Weak

question 81

Multiple Choice

When the concentration of the conjugate base of a weak acid is less than the concentration of the weak acid in a buffer solution,the pH of the solution is

• A)less than the pK_a.
• B)greater than the pK_a.
• C)always acidic.
• D)always basic.
• E)equal to the pK_a.

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Definitions:

R

Symbol commonly used to denote resistance in electrical circuits, measured in ohms (Ω).

Power Factor

The ratio of the real power flowing to the load to the apparent power in the circuit, indicating how effectively electrical power is converted into useful work output.

RC Parallel Circuit

An electrical circuit composed of resistors (R) and capacitors (C) connected in parallel, affecting the total impedance seen by an alternating current (AC) source.

R

A symbol commonly used to represent resistance in electrical circuits, measured in ohms (Ω).