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:

Carbohydrates

Organic compounds, including sugars, starches, and cellulose, that are a major source of energy for the body.

Diaphragm

A muscular and membranous partition separating the thoracic cavity from the abdominal cavity, playing a major role in breathing.

Thoracic Cavity

is the part of the body enclosed by the ribs, sternum, and vertebral column, housing organs such as the heart and lungs.