A 25.0 mL sample of 0.150 M benzoic acid is titrated with a 0.150 M NaOH solution. What is the pH before any base is added? The Ka of benzoic acid is 6.3 × 10-5. A) 4.19 B) 3.38 C) 2.4 × 10^3 D) 6.5 × 10-5 E) 4.20
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Step 1
Write the ionization equation for benzoic acid (C6H5COOH) in water: C6H5COOH + H2O ⇌ C6H5COO- + H3O+ Show more…
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