What is the pH of a buffer solution, prepared by mixing of 20 mL 0.1 M NaH₂PO4 solution and 100 mL 0.05 MNa₂HPO4 solution. K₂(H₂PO4¯) = 6.2.10-8 mol/L.(You should to round the answer to the nearest tenth (according to the rules). Example 3.44 =3.4; 3.46=3.5)a. pH=8.7O b. pH=6.8c. pH=6.5O d. pH=5.3

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What is the pH of a buffer solution, prepared by mixing of 20 mL 0.1 M NaH₂PO4 solution and 100 mL 0.05 M Na₂HPO4 solution. Ka (H₂PO4) = 6.2.10-8 mol/L. (You should to round the answer to the nearest tenth (according to the rules). Example 3.44 =3.4; 3.46=3.5) O a. pH=8.7 O b. pH=6.8 O c. pH=6.5 O d. pH=5.3

What is the pH of a buffer solution, prepared by mixing of 20 mL 0.1 M NaH₂PO4 solution and 100 mL 0.05 M Na₂HPO4 solution. Ka (H₂PO4) = 6.2.10-8 mol/L. (You should to round the answer to the nearest tenth (according to the rules). Example 3.44 =3.4; 3.46=3.5) O a. pH=8.7 O b. pH=6.8 O c. pH=6.5 O d. pH=5.3

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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