A 250-ML Sample of 0

question 48

Multiple Choice

A 25.0-mL sample of 0.150 M butanoic acid is titrated with a 0.150 M NaOH solution. What is the pH before any base is added? The K_a of butanoic acid is 1.5 × 10^-5.

• A)2.83
• B)1.5 × 10^-3
• C)4.82
• D)4.00
• E)1.0 × 10⁴

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