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28. K, (Alloxanic acid) = 2.3 x 10 and K, (HF) = 6.8 x 104. Consider the following two aqueous mixtures: Solution (1): mixing 50.0 mL each of 0.25-M Alloxanic acid and 0.25-M NAOH. Solution (2): mixing 50.0 mL each of 0.25-M HF and 0.25-M NAOH. Part 1. Which of the above mixtures does have a higher pH after the solutions reach equilibrium? b) Solution (2) c) same pH for both solutions d) insufficient information. a) Solution (1) Part 2. Which of the above two mixtures in Part 1 does have pH > 7 at equilibrium? a) Solution (1) b) Solution (2) c) both solutions d) neither of the two solutions

28. K, (Alloxanic acid) = 2.3 x 10 and K, (HF) = 6.8 x 104. Consider the following two aqueous mixtures: Solution (1): mixing 50.0 mL each of 0.25-M Alloxanic acid and 0.25-M NAOH. Solution (2): mixing 50.0 mL each of 0.25-M HF and 0.25-M NAOH. Part 1. Which of the above mixtures does have a higher pH after the solutions reach equilibrium? b) Solution (2) c) same pH for both solutions d) insufficient information. a) Solution (1) Part 2. Which of the above two mixtures in Part 1 does have pH > 7 at equilibrium? a) Solution (1) b) Solution (2) c) both solutions d) neither of the two solutions

Chemistry
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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%3D 28. K, (Alloxanic acid) = 2.3 x 107 and Ka (HF) = 6.8 x 10ª. Consider the following two aqueous mixtures: %3D Solution (1): mixing 50.0 mL each of 0.25-M Alloxanic acid and 0.25-M NaOH. Solution (2): mixing 50.0 mL each of 0.25-M HF and 0.25-M NAOH. Part 1. Which of the above mixtures does have a higher pH after the solutions reach equilibrium? b) Solution (2) c) same pH for both solutions d) insufficient information. a) Solution (1) Part 2. Which of the above two mixtures in Part 1 does have pH > 7 at equilibrium? a) Solution (1) b) Solution (2) c) both solutions d) neither of the two solutions
Transcribed Image Text:%3D 28. K, (Alloxanic acid) = 2.3 x 107 and Ka (HF) = 6.8 x 10ª. Consider the following two aqueous mixtures: %3D Solution (1): mixing 50.0 mL each of 0.25-M Alloxanic acid and 0.25-M NaOH. Solution (2): mixing 50.0 mL each of 0.25-M HF and 0.25-M NAOH. Part 1. Which of the above mixtures does have a higher pH after the solutions reach equilibrium? b) Solution (2) c) same pH for both solutions d) insufficient information. a) Solution (1) Part 2. Which of the above two mixtures in Part 1 does have pH > 7 at equilibrium? a) Solution (1) b) Solution (2) c) both solutions d) neither of the two solutions
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