00. Would this be a goo f HOAC at pH 4.757, hov

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Chapter15: Acid-base Equilibria
Section: Chapter Questions
Problem 8ALQ: You have a solution of the weak acid HA and add some of the salt NaA to it. What are the major...
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3) Arsenic acid has 3 pK,'s: 2.19, 6.94, and 11.51. Determine the concentrations of all the species
(HASO. > ASO.) at pH 7.00. Would this be a good buffer at this pH? Explain.
4) For a 0.500M solution of HOAC at pH 4.757, how much KOH (in g) needs to be added to get to pH
5.136?
Transcribed Image Text:3) Arsenic acid has 3 pK,'s: 2.19, 6.94, and 11.51. Determine the concentrations of all the species (HASO. > ASO.) at pH 7.00. Would this be a good buffer at this pH? Explain. 4) For a 0.500M solution of HOAC at pH 4.757, how much KOH (in g) needs to be added to get to pH 5.136?
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