Calculate the PH of a Solution That Is 0

question 53

Multiple Choice

Calculate the pH of a solution that is 0.210 mol L^-1 in nitrous acid (HNO₂) and 0.290 mol L^-1 in potassium nitrite (KNO₂) . The acid dissociation constant of nitrous acid is 4.50 × 10^-4.

• A)3.487
• B)3.210
• C)13.86
• D)10.51
• E)4.562

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Definitions:

Metabolic Activity

The biochemical processes that occur within living organisms to maintain life, including the conversion of food to energy and elimination of waste products.

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The cells that constitute the outermost layer of the human body, playing crucial roles in protection, sensation, and regulation.

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Specialized cells in the nervous system that transmit information to other nerve cells, muscle, or gland cells.