In the Following Buffer System, What Happens to the Concentration

question 50

Multiple Choice

In the following buffer system, what happens to the concentration of the highlighted molecule if you add acid in the form of H₃O⁺? HF + NaF + H₂O ⇌ F^- + H₃O⁺ _{+ Na}+

• A)increases
• B)decreases
• C)stays about the same
• D)Buffers do not change.
• E)none of the above

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Definitions:

Pulmonary Semilunar Valve

A heart valve that prevents backflow of blood from the pulmonary artery into the right ventricle.

Capillaries

Tiny blood vessels that facilitate the exchange of water, oxygen, carbon dioxide, and many other nutrient and waste chemical substances between blood and surrounding tissues.

Oxygen

A chemical element (O) that is critical for respiration in most aerobic organisms and has various industrial uses.

Nutrients

Substances obtained from food and beverages that are essential for growth, metabolism, and for maintaining life.