A 735-ML Sample of 0

question 166

Multiple Choice

A 73.5-mL sample of 0.18 M HNO₂ (K_a = 4.0 × 10^-4) is titrated with 0.12 M NaOH. What is the pH after 25.2 mL of NaOH has been added?

• A) 10.07
• B) 7.00
• C) 3.93
• D) 2.76
• E) 2.87

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