Which of the following statement is correct about a solution contains 0.4 M NaH2PO4 and 0.2 M H3PO4? O Adding 0.01 mol HCI to the solution will slightly increase the pH. O The solution pH is equal to the pKa of H3PO4 O This is NOT a buffer solution. O The solution pH is less than pKa of H3PO4 O Adding 0.01 mol HCI to the solution will slightly decrease the pH.

Which of the following statement is correct about a solution contains 0.4 M NaH2PO4 and 0.2 M H3PO4? O Adding 0.01 mol HCI to the solution will slightly increase the pH. O The solution pH is equal to the pKa of H3PO4 O This is NOT a buffer solution. O The solution pH is less than pKa of H3PO4 O Adding 0.01 mol HCI to the solution will slightly decrease the pH.

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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