What Is the PH at the Equivalence Point of a Weak

question 49

Multiple Choice

What is the pH at the equivalence point of a weak base-strong acid titration if 20.00 mL of NaOCl requires 28.30 mL of 0. 50 mol L^-1 HCl for complete neutralization? K_a = 3.0 × 10^-8 for HOCl.

• A) 0.30
• B) 3. 18
• C) 3.76
• D) 4. 03

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