You Wish to Prepare an HC₂H₃O₂ Buffer with a PH

question 125

Multiple Choice

You wish to prepare an HC₂H₃O₂ buffer with a pH of 5.24.If the pK_a of is 4.74,what ratio of C₂H₃O₂⁻/HC₂H₃O₂ must you use?

• A) 0.10
• B) 0.50
• C) 0.32
• D) 3.16
• E) 7.0

---

Definitions:

Discharge

The release or exemption from a contractual obligation or other legal liability.

Obligation to Pay Rent

A legal duty of a tenant to make timely payments to a landlord for the use of a property or space.

Possibility of Reverter

A future interest held by a grantor, or the grantor's successors, that allows the property to revert back if certain conditions are met.

Complementary Estate

Describes property rights or interests that are held by different parties but are necessary to the full use and enjoyment of each other's property.