What Is the PH of an Aqueous Solution That Is

question 3

Multiple Choice

What is the pH of an aqueous solution that is 0.10 M HCOOH (K_a =1.8 * 10^-4) and 0.10 M NaHCO₂?

• A) 10.26
• B) 3.74
• C) 5.74
• D) 2.38
• E) 5.62

---

Definitions:

Instructions

A set of directions or orders given to execute a task or operate machinery or software.

Process Data

The procedure of collecting, modifying, and analyzing information to extract insights or create a structured format suitable for further use.

Light-Sensing Input

A device or sensor that detects light levels and converts the information into electronic data for processing.

Scanner

A device used to convert physical documents or images into digital format for editing, sharing, or storage.