If the OH− Concentration in a Bottle of an Ammonia

question 39

Multiple Choice

If the OH− concentration in a bottle of an ammonia based cleaner is 3.8 × 10−² M,what is the H⁺ concentration? (K_w = 1.0 × 10−¹⁴)

• A) 3.8 × 10−¹⁶ M
• B) 2.6 × 10−¹³ M
• C) 6.8 × 10−² M
• D) 2.6 × 101 M
• E) 3.8 × 1012 M

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Definitions:

Extinction

In psychology, the gradual weakening and eventual disappearance of a conditioned response.

Shaping

A behavioral psychology technique that reinforces behavior closer and closer to a desired goal, used in teaching new behaviors.

Step-by-step Reinforcement

The process of enhancing desired behaviors through a systematic approach that rewards successive approximations of the target behavior.

Insight

A deep understanding of a person or situation, often arrived at suddenly, that clarifies the problem or solution.