A Buffer Is Prepared by Adding 150 ML of 1

question 29

Multiple Choice

A buffer is prepared by adding 150 mL of 1.0 M NaOH to 250 mL of 1.0 M NaH₂PO₄. How many moles of HCl must be added to this buffer solution to change the pH by 0.18 units?

• A) 0.025 mol HCl
• B) 0.063 mol HCl
• C) 0.082 mol HCl
• D) 0.50 mol HCl
• E) 1.0 mol HCl

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Definitions:

Postmodern Society

Postmodern Society is characterized by the presence of pluralism, diversity, and skepticism towards grand narratives and ideologies, reflecting the complexities of life in the late 20th and early 21st centuries.

Superficiality

A focus on or concern with only the surface or appearance of something, often implying a lack of depth or complexity.

Historicity

Historicity is the historical actuality of persons and events, emphasizing the importance of context in the interpretation of historical facts.

Postmodernist Culture

A culture characterized by a skepticism of grand narratives and ideologies, embracing plurality, diversity, and questioning of traditional values and meanings.