Calculate the PH of a Solution Prepared by Dissolving 0

question 27

Multiple Choice

Calculate the pH of a solution prepared by dissolving 0.850 mol of NH₃ and 0.350 mol of NH₄Cl in water sufficient to yield 1.00 L of solution. The K_b of ammonia is 1.77 × 10^-5.

• A)5.137
• B)4.367
• C)9.633
• D)8.781
• E)8.863

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Definitions:

Two-Step Flow

A communication theory that proposes ideas flow from mass media to opinion leaders, and from them to a wider population, highlighting the role of personal influence in the dissemination of information.

Opinion Leaders

Individuals who, due to their expertise, position, or social status, influence the attitudes and behaviors of others in their community.

Media Messages

The content delivered to an audience through various channels of communication, such as television, radio, newspapers, and the internet, often with the intention of informing or influencing.

Mass Media Ownership

Refers to the individuals or corporations that own and control large portions of the mass media industry, influencing content and perspectives.