Acid Dissociation Constants for Phosphoric Acid Are Given Below

question 86

Multiple Choice

Acid dissociation constants for phosphoric acid are given below. A buffer with a pH = 7.4 can best be made by using

• A)H₃PO₄ and NaH₂PO₄.
• B)NaH₂PO₄ and Na₂HPO₄.
• C)Na₂HPO₄ and Na₃PO₄.
• D)only NaH₂PO₄.
• E)only Na₂HPO₄.

---

Definitions:

Total Order

Total order is the complete quantity of goods or services requested by a customer at a particular time.

Demand Pattern

The trend or tendency of buyers purchasing certain quantities of a product at various times.

Overstock

Occurs when a company holds more inventory than it can sell, potentially leading to high holding costs and reduced profitability.

Product Availability

The extent to which a product can readily be found in the market and is accessible to customers.