The K_a of Hydrofluoric Acid (HF)at 25

question 63

Multiple Choice

The K_a of hydrofluoric acid (HF) at 25.0 °C is 6.8 × 10^-4. What is the pH of a 0.15 M aqueous solution of HF?

• A)4.60
• B)2.00
• C)3.64
• D)0.82
• E)1.17

---

Definitions:

Board of Directors

A group of individuals elected by shareholders to oversee the management and make strategic decisions for a corporation.

Operating Cycle

The average period of time between the purchase of inventory and the receipt of cash from accounts receivable, representing the length of time a company's capital is tied up.

Inventory

Consists of the goods and materials a business holds for the purpose of resale or production.

Cash Collection

The process of receiving and processing payments from customers, typically impacting the business’s liquidity.