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:

Cannibalism

In business, the reduction in sales volume, revenue, or market share of one product as a result of the introduction of a new product by the same company.

Glue

A substance used to bind materials together by surface attachment, ranging from simple household uses to complex industrial applications.

Clicks

The act of pressing a button on a mouse or similar device to interact with digital content, also used to measure user engagement on websites.

Hits

In digital marketing, refers to the total number of visits or user engagements received by a website or web page.