A 5000-ML Solution of 0

question 72

Multiple Choice

A 50.00-mL solution of 0.10 M HNO₂ is titrated with a 0.10 M KOH solution. After 25.00 mL of the KOH solution is added, what is the pH in the titration flask? [K_a(HNO₂) = 4.5 × 10^-4]

• A) 2.17
• B) 3.35
• C) 2.41
• D) 1.48
• E) 7.00

---

Definitions:

Wages And Interest

This refers to the payment to labor for their contribution to production and the payment made for the use of capital, respectively.

Industrial Revolution

A period of major industrialization that took place during the late 1700s and early 1800s, revolutionizing many aspects of social, economic, and manufacturing processes.

Mass Production

Creating significant amounts of consistent items, often through the use of automation or assembly lines.

Semiskilled Workers

Employees who possess some skills and training for their jobs, but do not require extensive education or specialized training.