Exhibit 2B Contains Information on the PK's of Some Common

question 21

Multiple Choice

Exhibit 2B Contains information on the pK's of some common buffers. Refer to Exhibit 2B . Which of the following would make the best buffer at pH =10.0?

• A) Acetic acid and sodium acetate
• B) Tris and its acid form
• C) H₂CO₃ and NaHCO₃
• D) Na₂HPO₄ and NaH₂PO₄
• E) NaHCO₃ and Na₂CO₃

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