What Is the Approximate PH at the Equivalence Point of a Weak

question 124

Multiple Choice

What is the approximate pH at the equivalence point of a weak acid-strong base titration if 25 mL of aqueous formic acid (HCOOH) requires 29.80 mL of 0.3567 mol L^-1 NaOH(aq) ? K_a =1.8 × 10^-4
For formic acid.

• A)2.06
• B)5.48
• C)8.52
• D)11.94

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