An Acetic Acid Buffer Containing 0

question 1

Multiple Choice

An acetic acid buffer containing 0.50 M CH₃COOH and 0.50 M CH₃COONa has a pH of 4.74. What will the pH be after 0.0020 mol of HCl has been added to 100.0 mL of the buffer?

• A)4.77
• B)4.71
• C)4.68
• D)4.62
• E)None of these choices are correct.

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Definitions:

Margin of Safety

The difference between actual or expected sales and the break-even point, indicating the amount by which sales can drop before a company incurs losses.

Break-Even Sales

The amount of revenue required to cover total fixed and variable expenses during a specific period, resulting in no profit or loss.

Current Sales

The total sales revenue that a company generates in the present or most recent accounting period.

Operating Leverage

A measure of how sensitive a company's operating income is to changes in sales volume, indicating the degree of fixed versus variable costs.