Calculate the PH of a 0

question 78

Multiple Choice

Calculate the pH of a 0.500 M aqueous solution of NH₃. The K_b of NH₃ is 1.77 × 10^-5.

• A)8.95
• B)11.47
• C)2.53
• D)11.77
• E)2.23

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Definitions:

Prefrontal Cortex

A region of the cerebral cortex implicated in a variety of complex behaviors, including planning, and greatly involved in personality development.

Brain

The organ located in the skull responsible for coordinating sensation, intellectual and nervous activity.

Impulses

are sudden, involuntary urges to do something, often without premeditation.

Pruning

The process of reducing or eliminating neural connections in the brain that are not used, which serves to streamline cognitive functioning.