Buffer Solutions with the Component Concentrations Shown Below Were Prepared

question 4

Multiple Choice

Buffer solutions with the component concentrations shown below were prepared. Which of them should have the lowest pH?

• A)[CH₃COOH] = 0.25 M, [CH₃COO⁻] = 0.25 M
• B)[CH ₃COOH] = 0.75 M, [CH ₃COO ⁻] = 0.75 M
• C)[CH ₃COOH] = 0.75 M, [CH ₃COO ⁻] = 0.25 M
• D)[CH ₃COOH] = 0.25 M, [CH ₃COO ⁻] = 0.75 M
• E)[CH ₃COOH] = 1.00 M, [CH ₃COO ⁻] = 1.00 M

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Definitions:

Epigenetics

The study of changes in organisms caused by modification of gene expression rather than alteration of the genetic code itself.

Maturation

The process of becoming mature, encompassing physical, mental, and emotional growth over time.

Authoritative Parents

A parenting style characterized by high demand and high responsiveness, where parents have expectations of maturity and responsibility from their children but also provide them with love and support.

Authoritarian Parents

Parents who impose strict rules, expect absolute obedience, and often use punishment to control behavior, with little to no negotiation or discussion.