What Is the PH of a Solution Prepared by Mixing

question 158

Multiple Choice

What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M CH₃CO₂H with 25.00 mL of 0.0 10 M CH₃CO₂Na? Assume that the volume of the solutions are additive and that K_a = 1.8 × 10^-5 for CH₃CO₂H.

• A)2)87
• B)3)74
• C)4)7 5
• D)5)74

---

Definitions:

Small Intestine

A long, coiled tube where most of the digestion and absorption of nutrients takes place.

Jejunum

The middle portion of the small intestine where a significant part of digestion and absorption of nutrients occurs.

Duodenum

The initial segment of the small intestine just after the stomach, where the majority of chemical digestion occurs.

Ileum

The third and final section of the small intestine, where further digestion and absorption of nutrients occurs, leading to the large intestine.