Calculate the Ratio of the Molarities of HPO₄^2- and H₂PO₄^-

question 2

Multiple Choice

Calculate the ratio of the molarities of HPO₄^2- and H₂PO₄^- ions required to achieve buffering at pH = 7.00.For H₃PO₄,pK_a1 = 2.12,pK_a2 = 7.21,and pK_a3 = 12.68.

• A)0.81
• B)1.23
• C)0.62
• D)0.21
• E)1.62

---

Definitions:

Utility Function

A mathematical representation of how different combinations of goods or services provide levels of satisfaction or utility to an individual.

Initial Endowment

The initial allocation or distribution of resources, goods, or wealth among individuals or entities at the start of an economic experiment or model.

Apples

A type of fruit commonly consumed fresh, cooked, or as juice, recognized for its sweet or tart flavor.

Pareto Optimal Allocation

A condition of resource distribution in which no one person can be made better off without causing detriment to at least another person.