A Buffer Is Prepared by Adding 300

question 100

Multiple Choice

A buffer is prepared by adding 300.0 mL of 2.0 M NaOH to 500.0 mL of 2.0 M CH₃COOH. What is the pH of this buffer? K_a = 1.8 × 10^-5

• A) 4.57
• B) 4.52
• C) 4.87
• D) 4.92
• E) 4.97

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Definitions:

Job Cost Sheets

A document used to record and track the expenses associated with a specific job or project, aiding in the calculation of its total cost.

Predetermined Overhead Rate

An estimated rate used to allocate manufacturing overhead to individual products or job orders based on a consistent measure, such as direct labor hours.

Total Manufacturing Costs

The aggregate of all expenditures involved in the production of goods, including materials, labor, and overhead expenses.

Machine-Hours

A measure of production output or activity based on the number of hours machines are operated in the manufacturing process.