Buffer Solutions That Maintain Certain Levels of PH or Acidity

question 51

Multiple Choice

Buffer solutions that maintain certain levels of pH or acidity are widely used in biochemical experiments. One common buffer system uses sodium dihydrogenphosphate and sodium monohydrogenphosphate. What are the formulas of these two compounds?

• A)Na(HPO₄) and Na(HPO₄)₂
• B)NaH₂PO₄ and Na₂HPO₄
• C)Na₂H₂PO₄ and NaHPO₄
• D)NaPO₄ and NaHPO₄
• E)Na₂(HPO₄)₂ and Na₂(HPO₄)

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Definitions:

Intelligence

The ability to acquire and apply knowledge and skills, involving processes like learning, reasoning, and problem-solving.

Sensitivity Sounds

This term appears to be unclear or incorrect. If referring to sensitivity to sounds, the correct term could be "Hyperacusis," a condition characterized by an increased sensitivity to normal environmental sounds.

Linguistic Intelligence

One of Howard Gardner's multiple intelligences, referring to the ability to understand and use languages effectively.

Howard Gardner

An American cognitive psychologist who introduced the theory of multiple intelligences, emphasizing that individuals have distinct kinds of intelligences such as linguistic, logical-mathematical, and musical.