A Buffer Solution with a PH of 4

question 36

Multiple Choice

A buffer solution with a pH of 4.31 is prepared with 1.0 M HC₂H₃O₂ and ________ M NaC₂H₃O₂. The Ka of HC₂H₃O₂ is 1.8 × 10^-5.

• A)0.37
• B)0.74
• C)4.2 × 10^-6
• D)8.8 × 10^-10
• E)0.18

---

Definitions:

Tuition

The fee that educational institutions charge for instruction.

Books

Physical or electronic publications consisting of written, printed, or illustrated work bound together for reading or study.

Inventory Cost

The total cost associated with holding and managing inventory, including storage, insurance, and obsolescence.

Building

A structure with a roof and walls, such as a house or factory, used for living, working, storage, or other purposes.