An Aqueous Basic Solution Has a Concentration of 0

question 33

Multiple Choice

An aqueous basic solution has a concentration of 0.050 M and K_b is 4.4 × 10^-4.What is the concentration of hydroxide ion in this solution (M) ?

• A)2.2 × 10^-5
• B)4.5 × 10^-3
• C)2.9 × 10^-3
• D)4.7 × 10^-3
• E)0.050

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Definitions:

Derating Factor

Derating factor involves reducing the maximum operating limit of an electronic component or system to enhance reliability under specific conditions or over time.

Kilovolt-Ampere Capacity

A measurement of electrical power capacity, equivalent to 1,000 volt-amperes.

Fundamental Power Frequency

The primary frequency at which an electrical system is designed to operate, typically 50 or 60 Hz in most regions.

Harmonics

Oscillations at integer multiples of the fundamental frequency in an electrical signal, often considered unwanted distortions.