The Largest Change in PH for an Effective Buffer Occurs

question 91

Multiple Choice

The largest change in pH for an effective buffer occurs when the base is how many times as concentrated as the acid?

• A) 8
• B) 5
• C) 10
• D) 25
• E) 40

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Definitions:

Reactive Power

The portion of electricity that establishes and sustains the electric and magnetic fields in AC operations, measured in volt-amperes reactive (VAR).

RLC Series Circuit

A circuit configuration comprising a resistor (R), inductor (L), and capacitor (C) connected in series.

Applied Voltage

The voltage that is externally applied to an electrical circuit or device, which drives the current through it.

Current Flow

The movement of electric charge carriers, like electrons or ions, through a conductor or space.