Which Pair Would Make a Good Buffer

question 55

Multiple Choice

Which pair would make a good buffer?

• A) H⁺/OH^-
• B) Na⁺ /Cl^-
• C) HPO₄^2- /PO₄^3-
• D) Na⁺ /OH^-

---

Definitions:

Interest

The cost of borrowing money, usually expressed as a percentage of the amount borrowed.

Tax Rate

The specific ratio of income that must be given to the government as tax by both people and companies.

Budgeting Process

A systematic approach where businesses estimate their future income, expenditures, and capital needs to achieve their financial goals.

Selling Price

The amount of money for which a product is sold to the customer, not necessarily reflecting its cost or intrinsic value.