What Is the PH of a Buffer Solution Prepared by Dissolving

question 99

Multiple Choice

What is the pH of a buffer solution prepared by dissolving 0.20 mole of cyanic acid (HCNO) and 0.80 mole of sodium cyanate (NaCNO) in enough water to make 1.0 liter of solution? [K_a(HCNO) = 2.0 × 10^-4]

• A) 0.97
• B) 3.10
• C) 4.40
• D) 3.70
• E) 4.30

---

Definitions:

Investing Activities

Activities related to the acquisition and disposal of long-term assets and other investments not included in cash equivalents.

Cash Flows

The movement of cash into or out of a business, project, or financial product as it generates income or pays expenses.

Operating Activity

Pertains to the core business activities of a company, such as selling goods or providing services, which generate revenue.

Income Taxes

Taxes imposed by the government on the income generated by individuals, businesses, and other entities within their jurisdiction.