The Base-Dissociation Constant of Ethylamine

question 104

Multiple Choice

The base-dissociation constant of ethylamine
(C₂H₅NH₂) is 6.4 × 10^-4at 25.0 °C. The [ ] in a 1.7 × 10^-2
mol L^-1 solution of ethylamine is ________ mol L^-1.

• A) 1.1 × 10^-5
• B) 11.48
• C) 3.3 × 10^-3
• D) 3.0 × 10^-3
• E) 3.3 × 10^-12

---

Definitions:

Manufacturing

The process of converting raw materials or components into finished goods through the use of tools, labor, and machinery.

Assembly

In computing, a low-level programming language that is closely related to the machine code specific to computer architecture.

Packing

The process of arranging and securing products for shipping, storage, or sale, ensuring their protection and efficient handling.

Downstream Activity

Refers to the later stages in the supply chain, typically involving the distribution, sale, and customer service aspects of a business.