The PH of Aqueous 0

question 56

Multiple Choice

The pH of aqueous 0.10 M pyridine (C₅H₅N) ion is 9.09.What is the K_b of this base?

• A) 8.0 × 10^-10
• B) 1.5 × 10^-9
• C) 9.0 × 10^-6
• D) 1.6 × 10^-5
• E) 1.2 × 10^-5

Identify the anatomical structures of the digestive and respiratory systems.

Understand the functions of various organs in the digestive system.

Recognize the terminology related to gastrointestinal and respiratory conditions.

Distinguish between different parts of the pharynx and their anatomical positions.

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