When [H⁺] = 4

question 102

Multiple Choice

When [H⁺] = 4.0 *10^-9 M in water at 25°C, then ________

• A) pH = 9.40.
• B) pH = 7.00.
• C) pH = -8.40.
• D) pH = 8.40.
• E) pH = -9.40.

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Definitions:

Ambiguous

Something that can be understood in more than one way or is unclear due to having multiple interpretations.

Concentrating

The mental process of focusing one's attention or thoughts on a specific object or activity.

High Self-esteem

A positive evaluation of oneself, characterized by feelings of respect, confidence, and worthiness.

Extraverted

Describing a personality trait characterized by outgoingness, sociability, and a high level of engagement with the external world.