The Acid-Dissociation Constant at 25

question 141

Multiple Choice

The acid-dissociation constant at 25.0°C for hypochlorous acid (HClO) is 3.0 × 10^-8.At equilibrium,the molarity of H₃O⁺ in a 0.010 M solution of HClO is ________.

• A) 1.7 × 10^-5
• B) 0.010
• C) 5.8 × 10^-10
• D) 4.76
• E) 2.00

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Definitions:

Protostomes

Protostomes are a group of animals characterized by an embryonic development in which the mouth forms before the anus during early gastrulation.

Evolutionary Development

The study of how evolutionary processes guide the development of organisms.

Hox Genes

Hox genes are a group of related genes that control the body plan of an embryo along the head-tail axis by specifying regions of development in early embryonic segments.

Animal Evolution

The gradual development of diverse species of animals over geological time from common ancestors through changes in traits and genetics.