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What is the pH when 30.0 mL of 0.10 M HCOOH solution is titrated with 10.0...

What is the pH when 30.0 mL of 0.10 M HCOOH solution is titrated with 10.0 mL of 0.20 M NaOH? (Ka=1.8 x 10−4)

Which of the following titration curves would give the sharpest equivalence point?

A

0.1 M HOBr with 0.1 M KOH

B

0.1 M HOBr with 0.1 M NH3

C

0.1 M HBr with 0.1 M KOH

D

0.1 M HBr with 0.1 M NH3

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