The concentration of formic acid (pKa = 3.75) is being determined by titration with sodium hydroxide — Acid-Base Chemistry Chemistry Question
Question
The concentration of formic acid (pKa = 3.75) is being determined by titration with sodium hydroxide solution. Which indicators are suitable for this titration?
I. Bromophenol blue (pH transition range 3.0 – 4.6)
II. Neutral red (pH transition range 6.8 – 8.0)
A.
I only
B.✓ Correct
II only
C.
Both I and II
D.
Neither I nor II
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