Determine the K_a for CH₃NH₃^⁺ at 25°C

question 90

Multiple Choice

Determine the K_a for CH₃NH₃^⁺ at 25°C.The K_b for CH₃NH₂ is 4.4 × 10^-4.

• A)3.1 × 10^-10
• B)6.8 × 10^-11
• C)5.6 × 10^-10
• D)2.3 × 10^-3
• E)2.3 × 10^-11

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Definitions:

Domains

In the context of biology, large, broadly defined areas of life classification above the kingdom level, or regions of a protein with specific structural or functional properties in molecular biology.

Tree of Life

The Tree of Life is a metaphorical and scientific concept describing the evolutionary relationships among various species on Earth across time, often depicted as a branching diagram.

Monophyletic Group

A group of organisms that includes an ancestral species and all of its descendants, representing a single branch on the tree of life.

Clades

Groups of organisms that consist of a single common ancestor and all its descendant species, representing a branch on the tree of life.