A 1000 ML Sample of 0

question 34

Multiple Choice

A 100.0 mL sample of 0.10 mol L^-1 NH₃ is titrated with 0.10 mol L^-1 HNO₃. Determine the pH of the solution after the addition of 100.0 mL of HNO₃. The K_b of NH₃ is 1.8 × 10^-5.

• A) 6.58
• B) 10.56
• C) 8.72
• D) 3.44
• E) 5.28

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Definitions:

Hawthorne Effect

The change in behavior exhibited by participants in a study because they know they are being watched.

Overt Observational

The process of openly and visibly watching or monitoring someone or something without concealing the observer's presence.

Collective Representations

Concepts or symbols that are widely shared and recognized within a society, serving as a means of creating social cohesion or expressing shared values and beliefs.

Émile Durkheim

A foundational French sociologist known for his studies on social integration, collective conscience, and the role of rituals in societal cohesion.