What Is the PH of Solution Formed by Adding 25

question 91

Multiple Choice

What is the pH of solution formed by adding 25.0 mL of 0.100 M HCl to 25.0 mL of 0.100 M pyridine (C₅H₅N, K _b = 1.8×10 ^{- 9}) ?

• A) 2.38
• B) 2.52
• C) 2.98
• D) 3.28
• E) 8.74

---

Definitions:

Expected Long-Term Rate

An estimate of the rate of return or interest rate over a long-term investment or obligation.

Net Gain Or Loss

The overall financial result after all revenues are added and all expenses are subtracted.

Settlement Or Curtailment

Events that significantly reduce or eliminate the obligations or service period of a pension plan or other long-term benefits, requiring special accounting treatment.

Government Funding

Financial support provided by a governmental body to individuals, organizations, or projects deemed beneficial or necessary for the public or specific sectors.