What Is the PH of a Buffer Solution Prepared by Dissolving

question 48

Multiple Choice

What is the pH of a buffer solution prepared by dissolving 25.5 g NaC₂H₃O₂ in a sufficient volume of 0.550 M aqueous HC₂H₃O₂ to make 500.0 mL of buffer?

• A)4.74
• B)4.68
• C)4.91
• D)4.57
• E)4.79

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Definitions:

Net Operating Income

The profit derived from a company's regular business operations, excluding deductions of interest and taxes.

Sales Territory

A specific geographical area or group of customers assigned to a salesperson or team for the purpose of marketing and selling products or services.

Common Fixed Expenses

Expenses that remain constant in total regardless of changes in the level of activity or volume of output and are shared by more than one segment of a business.

Contribution Margin

Contribution margin is the revenue remaining after subtracting variable costs, used to cover fixed costs and generate profit, highlighting the profitability of individual products.