What Is the Approximate PH at the Equivalence Point of a Weak

question 164

Multiple Choice

What is the approximate pH at the equivalence point of a weak acid-strong base titration if 50.00 mL of aqueous hydrofluoric acid requires 60.00 mL of 0.200 M LiOH to reach the equivalence point? K_a = 6.76 × 10^-4 for HF.

• A) 1.89
• B) 5.90
• C) 8.10
• D) 12.10

---

Definitions:

Pumping and Dumping

Refers to the fraudulent practice of artificially inflating the price of a stock through false or misleading statements, in order to sell the stock at the inflated price.

Artificially Increases

Refers to the process of increasing a value or quantity through unnatural or synthetic means, often in a context that suggests manipulation or deceit.

Quick Profit

Gains realized from the rapid buying and selling of securities or other assets, aiming for short-term financial gain.

Debentures

A type of long-term debt instrument that is not secured by physical assets or collateral.