Formic Acid (HCOOH, K_a = 1

question 142

Multiple Choice

Formic acid (HCOOH, K_a = 1.8 × 10^-4) is the principal component in the venom of stinging ants. What is the molarity of a formic acid solution if 25.00 mL of the formic acid solution requires 29.80 mL of 0.0567 mol L^-1 NaOH to reach the equivalence point?

• A) 0.0134 mol L^-1
• B) 0.0 476 mol L^-1
• C) 0.0567 mol L^-1
• D) 0. 0676 mol L^-1

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