What Is the PH of a 0

question 11

Multiple Choice

What is the pH of a 0.025 M solution of HSCN ( K _a = 4.0×10 ^{- 6}) ?

• A) 1.60
• B) 3.50
• C) 4.21
• D) 5.39
• E) 7.00

Understand the phenomena leading to the separation of atmospheric layers.

Understand the symptoms and physiological indicators of severe infections and system failure.

Identify and implement appropriate interventions for managing patients with specific infectious diseases.

Recognize misconceptions related to disease transmission and educate the public and patients accordingly.

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Definitions:

Carbon Tetrachloride

A volatile, colorless liquid with a slightly sweet smell, historically used in fire extinguishers and as a solvent, but now known to be a harmful carcinogen.

Mechanistic Steps

The sequential individual reactions or movements of electrons that occur during the course of a complex chemical reaction.

Chloromethane

A colorless, flammable gas with a mild sweet odor, used in manufacturing and as a refrigerant; its chemical formula is CH3Cl.

Monochlorination

The chemical process of introducing one chlorine atom into a molecule, commonly used in the organic synthesis of chlorinated compounds.