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

---

Definitions:

Hyponatremia

A condition where there is an abnormally low level of sodium in the blood, potentially leading to various health complications.

Poor Night Sleep

A subjective experience or complaint of inadequate or unrefreshing sleep, often due to disturbances or difficulties in falling or staying asleep.

Cholesterol

A sterol present in the tissues that contributes to heart disease when elevated; transported in the blood plasma of all animals.