You Have 500

question 76

Multiple Choice

You have 500.0 mL of a buffer solution containing 0.20 M acetic acid (CH₃COOH) and 0.30 M sodium acetate (CH₃COONa) . What will the pH of this solution be after the addition of 20.0 mL of 1.00 M NaOH solution? [K_a(CH₃COOH) = 1.8 × 10^-5]

• A) 4.41
• B) 4.74
• C) 4.56
• D) 4.92
• E) 5.07

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Definitions:

Variable Cost

Costs that vary directly with the level of output or production, such as materials and labor.

EMV

Expected Monetary Value, a concept in decision making and risk management that calculates the average outcome when the future includes scenarios that may or may not happen.

Capacity Decision

Decisions related to the amount of resources needed by an organization to meet changing demands for its products.

Process-focused Shop

A production facility organized around processes to facilitate low-volume, high-variety production.