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2. To make a buffer solution of pH = 12.5, what chemicals you should choose if you have pure compounds of H3PO4, NaH2PO4, Na₂HPO4, Na3PO4? The Ka data are listed below. List three methods to make this buffer if you also have 1M HCl and 1M NaOH. H₂PO4 H₂PO 7.5 x 10-3 6.2 x 10-8 HPO 4.8 x 10-13

2. To make a buffer solution of pH = 12.5, what chemicals you should choose if you have pure compounds of H3PO4, NaH2PO4, Na₂HPO4, Na3PO4? The Ka data are listed below. List three methods to make this buffer if you also have 1M HCl and 1M NaOH. H₂PO4 H₂PO 7.5 x 10-3 6.2 x 10-8 HPO 4.8 x 10-13

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter14: Acids And Bases
Section: Chapter Questions
Problem 131QRT: At 25 C, a 0.10% aqueous solution of adipic acid, C5H9O2COOH, has a pH of 3.2. A saturated solution...
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2. To make a buffer solution of pH = 12.5, what chemicals you should choose if you have pure compounds of H3PO4, NaH2PO4, Na₂HPO4, Na3PO4? The Ka data are listed below. List three methods to make this buffer if you also have 1M HCl and 1M NaOH. H₂PO4 H₂PO 7.5 x 10-3 6.2 x 10-8 HPO 4.8 x 10-13
Transcribed Image Text:2. To make a buffer solution of pH = 12.5, what chemicals you should choose if you have pure compounds of H3PO4, NaH2PO4, Na₂HPO4, Na3PO4? The Ka data are listed below. List three methods to make this buffer if you also have 1M HCl and 1M NaOH. H₂PO4 H₂PO 7.5 x 10-3 6.2 x 10-8 HPO 4.8 x 10-13
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