Calculate the PH of a Buffer Solution That Contains 0

question 100

Multiple Choice

Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C₆H₅CO₂H) and 0.15M sodium benzoate (C₆H₅COONa) . [K_a = 6.5 * 10^-5 for benzoic acid]

• A) 3.97
• B) 4.83
• C) 4.19
• D) 3.40
• E) 4.41

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Definitions:

Body Alignment

The optimal positioning of the body parts to promote proper function and reduce the risk of injury, often emphasized in ergonomics and physical therapy.

Scoliosis

A medical condition characterized by an abnormal lateral curvature of the spine, which can vary in severity and may require treatment ranging from observation to surgery.

Vertebral Rotation

The twisting movement of a spine's vertebra around its axis, which can occur naturally or result from injury.

Structural Curvature

An abnormal bend or curve in a structural element of the body, such as the spine, which can affect posture and mobility.