What Is the PH of a 0

question 5

Multiple Choice

What is the pH of a 0.600 M solution of H₂PO₄⁻? The K_a of H₂PO₄⁻ is 6.2 × 10⁻⁸.

• A) 3.71
• B) 10.3
• C) 3.10
• D) 30.1
• E) 17.7

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Definitions:

Hermann Ebbinghaus

A German psychologist best known for his pioneering work on memory and learning, including the discovery of the forgetting curve.

Forgetting Occurs

The process where information once learned and stored in the brain is lost or becomes harder to recall over time.

Encoding Failure

A situation in which information does not enter the brain's long-term memory and thus is forgotten.

Long-Term Memory

The phase of memory in which information is stored for extended periods of time, potentially lifelong, beyond the capacity of short-term or working memory.