Potassium hydrogen phthalate, known as KHP (molar mass = 204.22 g/mol), can beobtained in high purity and is used to determine the concentration of solutions ofstrong bases by the reactionHP −(aq) + OH −(aq) → H2O(l) + P2 −(aq)If a typical titration experiment begins with approximately 0.5 g KHP and has a finalvolume of about 100 mL, what is an appropriate indicator to use? The pKafor HP−is5.51.
Potassium hydrogen phthalate, known as KHP (molar mass = 204.22 g/mol), can beobtained in high purity and is used to determine the concentration of solutions ofstrong bases by the reactionHP −(aq) + OH −(aq) → H2O(l) + P2 −(aq)If a typical titration experiment begins with approximately 0.5 g KHP and has a finalvolume of about 100 mL, what is an appropriate indicator to use? The pKafor HP−is5.51.
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter19: Principles Of Chemical Reactivity: Electron Transfer Reactions
Section: Chapter Questions
Problem 110IL: The amount of oxygen, O2, dissolved in a water sample at 25 C can be determined by titration. The...
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Potassium hydrogen phthalate, known as KHP (molar mass = 204.22 g/mol), can be
obtained in high purity and is used to determine the concentration of solutions of
strong bases by the reaction
HP −
(aq) + OH −
(aq) → H2O(l) + P
2 −
(aq)
If a typical titration experiment begins with approximately 0.5 g KHP and has a final
volume of about 100 mL, what is an appropriate indicator to use? The pKa
for HP
−
is
5.51.
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