Determine the PH of a 0

question 39

Multiple Choice

Determine the pH of a 0.22 mol L^-1 NaF solution at 25 °C. The K_a of HF is 3.5 × 10^-5.

• A) 10.20
• B) 5.10
• C) 8.90
• D) 11.44
• E) 2.56

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Definitions:

Pupil

The opening in the center of the iris of the eye that allows light to enter the retina.

Special Senses

The senses including vision, hearing, taste, smell, and equilibrium, which have specialized organs devoted to them.

Complex Sensory Organs

Organs specialized for the perception of stimuli such as sight, hearing, balance, taste, and smell, integrating multiple structural and functional components.

Optic Disc

The point of exit for ganglion cell axons leaving the eye, where the optic nerve begins, and notably lacks photoreceptor cells, creating a "blind spot."