You are asked to prepare a 200.0 mL buffer solution of pH 8.52 from the following hypohalous acids: Hypobromous acid, HBrO (K, = 2.0 x 10-) Hypochlorous acid, HCIO Hypoiodous acid, HIO (Ka = 3.0 x 10) (Ka = 2.0 x 10-11) The available reagents are 5.0 M each of the acids and solids NaClO (74.44 g/mol), NaBro (118.9 g/mol) and Nalo (165.9 g/mol). a. What would be the concentration of the salt if the required concentration of the acid component is 1.00 M? b. How much of the acid will you use? c. How much of the salt is needed?

Chemistry & Chemical Reactivity
9th Edition
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Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter16: Principles Of Chemical Reactivity: The Chemistry Of Acids And Bases
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Problem 116IL: Amino acids are an important group of compounds. At low pH, both the carboxylic acid group (CO2H)...
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You are asked to prepare a 200.0 mL buffer solution of pH 8.52 from the following hypohalous acids:
Hypobromous acid, HBro
Hypochlorous acid, HCIO
Hypoiodous acid, HIO
(Ka = 2.0 x 10)
(K, = 3.0 x 10)
(Ka = 2.0 x 10-11)
The available reagents are 5.0 M each of the acids and solids NaCIO (74.44 g/mol), NaBro (118.9
g/mol) and Nalo (165.9 g/mol).
a. What would be the concentration of the salt if the required concentration of the acid
component is 1.00 M?
b. How much of the acid will you use?
c. How much of the salt is needed?
Transcribed Image Text:You are asked to prepare a 200.0 mL buffer solution of pH 8.52 from the following hypohalous acids: Hypobromous acid, HBro Hypochlorous acid, HCIO Hypoiodous acid, HIO (Ka = 2.0 x 10) (K, = 3.0 x 10) (Ka = 2.0 x 10-11) The available reagents are 5.0 M each of the acids and solids NaCIO (74.44 g/mol), NaBro (118.9 g/mol) and Nalo (165.9 g/mol). a. What would be the concentration of the salt if the required concentration of the acid component is 1.00 M? b. How much of the acid will you use? c. How much of the salt is needed?
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