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Formic Acid Is Used in the Venom of Some Species

Question 45

Multiple Choice

Formic acid is used in the venom of some species of ants. What is the pH of a 0.2 M solution of formic acid (Ka = 1.78 × 10-4 M) ?


A) 8.90
B) 4.45
C) 3.75
D) 2.2 Ionization of Water, Weak Acids, and Weak Bases2
E) 1.72

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