Formic Acid Is the Active Agent in an Ant Bite

question 15

Multiple Choice

Formic acid is the active agent in an ant bite. What is the ratio of base/acid for formic acid (pKa = 3.9) in the blood stream at pH 7.4?

• A) 3.16 × 10^-4
• B) 3.16 × 10³
• C) 0.54
• D) 1.90
• E) cannot be determined based upon the provided information