A student must make a buffer solution with a pH of 7.00.7.00. Determine which weak acid is the best option to make a buffer at the specified pH. acetic acid, ?a=1.75×10−5,�a=1.75×10−5, 5.00 M propionic acid, ?a=1.34×10−5,�a=1.34×10−5, 3.00 M ammonium citrate, ?a=4.06×10−7,�a=4.06×10−7, 2.00 M sodium dihydrogen phosphate monohydrate, ?a=6.23×10−8,�a=6.23×10−8, 2.00 M Determine which conjugate base is the best option to make a buffer at the specified pH. sodium acetate trihydrate, CH3COONa⋅3H2OCH3COONa⋅3H2O disodium hydrogen phosphate heptahydrate, Na2HPO4⋅7H2ONa2HPO4⋅7H2O sodium propionate, CH3CH2COONaCH3CH2COONa sodium citrate dihydrate, C6H5O7Na3⋅2H2OC6H5O7Na3⋅2H2O The final volume of buffer solution must be 100.00 mL and the final concentration of the weak acid must be 0.100 M. Based on this information, what mass of solid conjugate base should the student weigh out to make the buffer solution with a pH of 7.00? mass = g Based on this information, what volume of acid should the student measure to make the buffer solution? volume = mL
A student must make a buffer solution with a pH of 7.00.7.00. Determine which weak acid is the best option to make a buffer at the specified pH. acetic acid, ?a=1.75×10−5,�a=1.75×10−5, 5.00 M propionic acid, ?a=1.34×10−5,�a=1.34×10−5, 3.00 M ammonium citrate, ?a=4.06×10−7,�a=4.06×10−7, 2.00 M sodium dihydrogen phosphate monohydrate, ?a=6.23×10−8,�a=6.23×10−8, 2.00 M Determine which conjugate base is the best option to make a buffer at the specified pH. sodium acetate trihydrate, CH3COONa⋅3H2OCH3COONa⋅3H2O disodium hydrogen phosphate heptahydrate, Na2HPO4⋅7H2ONa2HPO4⋅7H2O sodium propionate, CH3CH2COONaCH3CH2COONa sodium citrate dihydrate, C6H5O7Na3⋅2H2OC6H5O7Na3⋅2H2O The final volume of buffer solution must be 100.00 mL and the final concentration of the weak acid must be 0.100 M. Based on this information, what mass of solid conjugate base should the student weigh out to make the buffer solution with a pH of 7.00? mass = g Based on this information, what volume of acid should the student measure to make the buffer solution? volume = mL
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter14: Equilibria In Acid-base Solutions
Section: Chapter Questions
Problem 25QAP: A sodium hydrogen carbonate-sodium carbonate buffer is to be prepared with a pH of 9.40. (a) What...
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A student must make a buffer solution with a pH of 7.00.7.00.
Determine which weak acid is the best option to make a buffer at the specified pH.
acetic acid, ?a=1.75×10−5,�a=1.75×10−5, 5.00 M
propionic acid, ?a=1.34×10−5,�a=1.34×10−5, 3.00 M
ammonium citrate, ?a=4.06×10−7,�a=4.06×10−7, 2.00 M
sodium dihydrogen phosphate monohydrate, ?a=6.23×10−8,�a=6.23×10−8, 2.00 M
Determine which conjugate base is the best option to make a buffer at the specified pH.
sodium acetate trihydrate, CH3COONa⋅3H2OCH3COONa⋅3H2O
disodium hydrogen phosphate heptahydrate, Na2HPO4⋅7H2ONa2HPO4⋅7H2O
sodium propionate, CH3CH2COONaCH3CH2COONa
sodium citrate dihydrate, C6H5O7Na3⋅2H2OC6H5O7Na3⋅2H2O
The final volume of buffer solution must be 100.00 mL and the final concentration of the weak acid must be 0.100 M.
Based on this information, what mass of solid conjugate base should the student weigh out to make the buffer solution with a pH of 7.00?
mass = g
Based on this information, what volume of acid should the student measure to make the buffer solution?
volume = mL
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