Calculate the PH of a Solution Formed by Mixing 250

question 146

Multiple Choice

Calculate the pH of a solution formed by mixing 250.0 mL of 0.15 M NH₄Cl with 100.0 mL of 0.20 M NH₃.The K_b for NH₃ is 1.8 × 10^-5.

• A) 9.13
• B) 9.25
• C) 9.53
• D) 4.74
• E) 8.98

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Definitions:

Opisthokont

A classification category that includes both fungi and animals, characterized by posterior flagella on swimming cells.

Collared Flagellates

Single-celled organisms with a distinctive collar around their flagellum, often considered an ancestral form to sponges.

Diverse Morphology

Refers to the variation in form and structure among organisms or parts of organisms within a population, species, or group.

Filaments

Long, thin structures found in many organisms, such as the stamen of flowers or muscle fibers, and are often involved in structural or motility functions.