A Buffer Solution Contains 0

question 145

Multiple Choice

A buffer solution contains 0.25 M NaNO₂(aq) and 0.80 M HNO₂(aq)
(pK_a = 3.37) .What is the pH after 0.10 mol HBr are added to 1.00 L of this buffer?

• A) 11.41
• B) 4.15
• C) 2.59
• D) 9.85
• E) 3.37

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Definitions:

Red Nucleus

A structure within the midbrain involved in motor coordination, playing a role in the control of limb movements.

Tegmentum

Floor (area below the ventricle) of the midbrain; a collection of nuclei with movement-related, species-specific, and pain perception functions.

Cardiovascular System

The body's system comprising the heart and blood vessels, responsible for circulating blood and transporting nutrients, oxygen, and waste products.