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Describe how you will prepare 500 mL of 1.25 M phosphate buffer with pH of 6.75 using the following: a. NaH2PO4•6H2O and Na2HPO4 •6H2O b. Stock solution: 2.00 M phosphate buffer (pH 6.75)

Describe how you will prepare 500 mL of 1.25 M phosphate buffer with pH of 6.75 using the following: a. NaH2PO4•6H2O and Na2HPO4 •6H2O b. Stock solution: 2.00 M phosphate buffer (pH 6.75)

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Describe how you will prepare 500 mL of 1.25 M phosphate buffer with pH of 6.75 using the following:

a. NaH2PO4•6H2O and Na2HPO4 •6H2O

b. Stock solution: 2.00 M phosphate buffer (pH 6.75)

Acid K, 6.6 x 10-4 Kb Base wwd HF NH3 1.75 x 10-5 HN3 1.9 x 10-5 4.4 x 10-4 CH;NH2 C,H;NH2 CH,CH,NΗ 3.9 x 10-10 5.6 x 10-4 НCN 6.2 x 10-10 7.1 x 10-3 H;PO4 H,PO4 НРО4 6.32 x 10-8 4.2 x 10-13
Transcribed Image Text:Acid K, 6.6 x 10-4 Kb Base wwd HF NH3 1.75 x 10-5 HN3 1.9 x 10-5 4.4 x 10-4 CH;NH2 C,H;NH2 CH,CH,NΗ 3.9 x 10-10 5.6 x 10-4 НCN 6.2 x 10-10 7.1 x 10-3 H;PO4 H,PO4 НРО4 6.32 x 10-8 4.2 x 10-13
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