Phosphate buffered saline (PBS) is buffered to a pH of 7.40, the pH of human blood, with the H₂PO4 /HPO 4²- system. Calculate the mole ratio of H 2PO4:HPO42- needed to maintain this pH. K₂ = 6.31 x 10-8 8:1 1:2 1.6:1 3:10 20:1

Phosphate buffered saline (PBS) is buffered to a pH of 7.40, the pH of human blood, with the H₂PO4 /HPO 4²- system. Calculate the mole ratio of H 2PO4:HPO42- needed to maintain this pH. K₂ = 6.31 x 10-8 8:1 1:2 1.6:1 3:10 20:1

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Phosphate buffered saline (PBS) is buffered to a pH of 7.40, the pH of human blood, with the H₂PO4/HPO4²-
system. Calculate the mole ratio of H ₂PO4 :HPO 42 needed to maintain this pH. K₂ = 6.31 x 10-8
8:1
1:2
1.6:1
3:10
20:1

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