A 010 M Aqueous Solution of the Weak Base B at at 25.0

question 21

Multiple Choice

A 0.10 M aqueous solution of the weak base B at 25.0 °C has a pH of 8.00.The value of K_b for B is ________.

• A)1.0 × 10^-15
• B)1.0 × 10^-11
• C)1.0 × 10^-6
• D)1.0 × 10^-12
• E)none of the above

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Definitions:

Precognition

The purported ability to foresee or have knowledge of future events before they occur.

Clairvoyance

The purported power to gather data about an object, a person, a location, or a physical happening through the use of extrasensory perception, bypassing traditional sensory channels.

Telepathy

The supposed communication of thoughts or ideas by means other than the known senses.

Psychokinesis

The purported skill to shift items solely through mental concentration.