2. Given the H3PO4 - NaH₂PO4 buffer system, which of the following is false when KOH is added into the saidsolution?O The concentration of the H3PO4 will decrease upon addition of KOH.O The concentration of the H₂PO4 will decrease upon addition of KOH.O The concentration of the H₂PO4 will increase upon addition of KOH.O The [H₂PO4 ]/[H3PO4] will decrease due to the neutralization of the added KOH. 1. Which of the following is/are true when NH4Br is dissolved in water?I. Both NH4 and Br are hydrolysable ions resulting in a neutral solution.II. The salt will completely dissociate into NH4+ and Br ions in the solution.III. The Br ion is considered as the hydrolysable ion and thus an acidic solution will form.IV. The most probable pH of the solution is acidic due to the hydrolysis of the NH4* ion.O I and IIO II and IIIO II and IVO I and IV

2. Given the H3PO4 - NaH₂PO4 buffer system, which of the following is false when KOH is added into the said solution? O The concentration of the H3PO4 will decrease upon addition of KOH. O The concentration of the H₂PO4 will decrease upon addition of KOH. O The concentration of the H₂PO4 will increase upon addition of KOH. O The [H₂PO4 ]/[H3PO4] will decrease due to the neutralization of the added KOH.

2. Given the H3PO4 - NaH₂PO4 buffer system, which of the following is false when KOH is added into the said solution? O The concentration of the H3PO4 will decrease upon addition of KOH. O The concentration of the H₂PO4 will decrease upon addition of KOH. O The concentration of the H₂PO4 will increase upon addition of KOH. O The [H₂PO4 ]/[H3PO4] will decrease due to the neutralization of the added KOH.

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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