The Indicator Propyl Red Has K_a = 3

question 92

Multiple Choice

The indicator propyl red has K_a = 3.3 * 10¯⁶. What would be the approximate pH range over which it would change color?

• A) 3.5 to 5.5
• B) 4.5 to 6.5
• C) 5.5 to 7.5
• D) 6.5 to 8.5
• E) None of these choices is correct.

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Definitions:

Total Inventory

The complete value of a company's raw materials, work-in-progress, and finished goods at a given time.

Perpetual Inventory System

A system for tracking inventory accounting that instantly logs each sale or acquisition of inventory through computerized point-of-sale systems and software for managing enterprise assets.

LIFO

A rephrased definition: An accounting approach to inventory and cost of goods sold valuation that assumes the most recently acquired items are the first to be sold.

Ending Inventory

The value of goods available for sale or use at the end of an accounting period.