1. A buffer is prepared using 0.522 mol of NH4CI and 0.812 mol of NH3 to make 1.00 L of solution. What is the pH of the solution after adding 0.153 mol of NaOH. Assume that the volume change is negligible. The pKa of NH4Cl is 9.26. 2. A buffer is prepared using 0.636 mol of HO2C2H3 and 0.848 mol of NaO2C2H3 to make 1.00 L of solution. What is the pH of the solution after adding 0.137 mol of HCI. Assume that the volume change is negligible. The pKa of HO2C2H3 is 4.74.

1. A buffer is prepared using 0.522 mol of NH4CI and 0.812 mol of NH3 to make 1.00 L of solution. What is the pH of the solution after adding 0.153 mol of NaOH. Assume that the volume change is negligible. The pKa of NH4Cl is 9.26. 2. A buffer is prepared using 0.636 mol of HO2C2H3 and 0.848 mol of NaO2C2H3 to make 1.00 L of solution. What is the pH of the solution after adding 0.137 mol of HCI. Assume that the volume change is negligible. The pKa of HO2C2H3 is 4.74.

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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