An Acetic Acid Buffer Containing 0

question 91

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 is correct.

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Definitions:

Explicit Costs

Direct, out-of-pocket payments for goods or services used in production, such as wages or rent.

Accounting Profit

The financial gain calculated by subtracting total explicit costs from total revenue, not considering implicit costs.

Economic Profit

The difference between a firm's total revenue and its total costs, including both explicit and implicit costs.

Accounting Profit

The total revenue of a business minus the explicit costs of operating the business.