Question: Consider the acids in Table. Which acid would be the best choice for preparing a pH = 7.00 buffer? Explain how to make 1.0 L
Table
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Values of Ka for Some Common Monoprotio Acids Formula Name Value of K 1.2 x 10- 1.2 x 10-2 1.35 x 10- E 7.2 10-4 4.0 10-4 1.8 X 10-5 1.4 x 10- HSO4 HClO2 HF HNO HC H,O2 AIH Hoa HCN NH HOCH Hydrogen sulfate ion Chlorous acid Monochloracetic acid Hydrofluoric acid Nitrous acid Acetic acid Hydrated aluminum lID) ion Hypochlorous acid Hydrocyanic acid Ammonium ion Phenol 2 6.2 x 10- 5.6 10-0 1.6 x 10-10
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A best buffer has large and equal quantities of weak acid and conjugate base Because acid base for ... View full answer
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