What Is the PH at the Equivalence Point When a 25.0

question 66

Multiple Choice

What is the pH at the equivalence point when a 25.0 mL sample of 0.200 M aqueous formic acid (HCO₂H) is titrated with 0.100 M aqueous potassium hydroxide? (K_a of HCO₂H = 1.8 × 10^-4)

• A) 5.71
• B) 7.00
• C) 8.28
• D) 8.52
• E) 10.26

---

Definitions:

Excise Tax

A tax levied on specific goods, services, or transactions, often included directly in the price of the product like gasoline, alcohol, and tobacco.

Gasoline

A liquid fuel derived from petroleum, used primarily in internal combustion engines.

Deadweight Loss

A loss of economic efficiency that can occur when the equilibrium for a good or service is not achieved or is not achievable.

Consumer Surplus

The difference between what consumers are willing to pay for a good or service and what they actually pay.