What Is the Minimum Concentration of Cd²⁺ Required to Begin

question 19

Multiple Choice

What is the minimum concentration of Cd²⁺ required to begin precipitating Cd(OH) ₂(s) in a solution buffered at pH 10.83? The K_sp of Cd(OH) ₂ is 5.3 × 10^-15 and K_w = 1.01 × 10^-14.

• A) 3.4 × 10^-4 M
• B) 3.6 × 10^-4 M
• C) 7.8 × 10^-12 M
• D) 1.2 × 10^-8 M
• E) 4.5 × 10^-17 M

Comprehend the impacts of habitat destruction on biodiversity, with a focus on specific species and ecosystems.

Articulate the economic and ecological importance of biodiversity and the consequences of its loss.

Understand the role of pathogens and invasive species in the decline of native species and biodiversity.

Recognize conservation strategies and programs designed to save species from extinction.

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Definitions:

Epithelial

Relating to the thin tissue forming the outer layer of a body's surface and lining the alimentary canal and other hollow structures.

Connective

A type of tissue in the body that supports, binds together, or separates other tissues and organs.

Epithelial Cell Surfaces

The outer layers of cells that line the surfaces and cavities of organs, vessels, and the body, serving as a protective barrier.

Folded Surfaces

Structures in biological systems that have been folded to increase their surface area, enhancing their capacity for processes such as absorption or secretion.