A Formic Acid Buffer Containing 0

question 12

Multiple Choice

A formic acid buffer containing 0.50 M HCOOH and 0.50 M HCOONa has a pH of 3.77. What will the pH be after 0.010 mol of NaOH has been added to 100.0 mL of the buffer?

• A)3.67
• B)3.78
• C)3.81
• D)3.85
• E)3.95

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Definitions:

Eyeball

The globe-shaped part of the eye housed within the orbit, containing the structures necessary for vision.

Optic Nerve

The cranial nerve that transmits visual information from the retina to the brain.

Blind Spot

A region on the retina where the optic nerve exits the eye, lacking photoreceptor cells, and therefore no image detection occurs, leading to a gap in the visual field.

Lens

In the context of the human body, the lens is a transparent, biconvex structure in the eye that focuses light onto the retina to facilitate clear vision.