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

question 173

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 requires 29.80 mL of 0.0567 M NaOH? K_a = 1.8 × 10^-4 for formic acid.

• A)2.46
• B)5.88
• C)8.12
• D)11.54

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