Buffer Solutions That Maintain Certain Levels of PH or Acidity

question 36

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

---

Definitions:

Ergonomics Theory

The study of people's efficiency in their working environment, focusing on how to improve human interaction with systems and products to reduce discomfort and increase efficiency.

Underestimate

To undervalue or regard someone or something as less powerful or capable than they truly are.

Task

A piece of work to be done or undertaken, which can vary in complexity from simple to complex.

Job Satisfaction

The level of contentment employees feel about their work, which can affect their performance and overall well-being.