What Is the PH of a 0

question 33

Multiple Choice

What is the pH of a 0.380 M solution of ethylamine? Kb = 4.3 × 10^-4

• A) 12.1
• B) 1.9
• C) 10.2
• D) 5.5
• E) 8.5

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Definitions:

Passive Margin

The transition zone between oceanic and continental lithosphere that is not an active plate boundary.

Subduction Zone

The region where one tectonic plate moves under another, into the mantle, typically associated with volcanic arcs and oceanic trenches.

Oceanic Trench

Long, narrow, and deep depressions on the ocean floor, usually the result of one tectonic plate subducting under another, often associated with volcanic arcs and earthquake activity.

Magmatic Belt

A region characterized by a high concentration of volcanic rocks and activity, indicating the presence of underlying magma chambers.