What Is the PH of a Buffer That Results When $\times$

question 32

Multiple Choice

What is the pH of a buffer that results when 0.40 mol NaHCO₂ is mixed with 100.0 mL of 2.00 M HCl(aq) and diluted with water to 250 mL? (K_a of HCO₂H = 1.8 $\times$ 10^-4)

• A) (-0.301)
• B) 3.05
• C) 3.44
• D) 3.74
• E) 4.05

---

Definitions:

Desire To Learn

An intrinsic motivation that drives individuals to seek out, engage with, and absorb new information or skills.

Electronic Health Record

A digital version of a patient's paper chart, which is a real-time, patient-centered record accessible to authorized healthcare providers.

Electronic Medical Record

Part of the electronic health record that contains patient data gathered in a health care delivery setting.

Electronic Charting Record

An electronic system used for creating, updating, and managing patient health information and medical records.