A sample of 100 mL of a solution of a weak monoprotic acid of unknown concentration is titrated with — Acid-Base Chemistry Chemistry Question
Question
A sample of 100 mL of a solution of a weak monoprotic acid of unknown concentration is titrated with 0.500 M NaOH to give the titration curve shown.
All of the statements are correct EXCEPT:
A.
Phenolphthalein would be a suitable indicator for this titration.
B.
A buffer solution is formed when 15 mL of NaOH is added.
C.✓ Correct
The pKa of the acid is 4.0.
D.
The initial concentration of the acid is 0.10 M.
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