4. A solution at standard conditions has {[H3O+] = 2.00 X 106 or [OH-] = 2.00 X 106). What is its {pH, POH}? A)-5.70 B) 5 X 10⁹ A) 2.88 C) 5.70 D) 8.30 5. The pk, of a weak acid is 4.85. What is the pH of a 0.125 M aqueous solution of this acid? B) 5.75 C) 4.85 D) 3.88

4. A solution at standard conditions has {[H3O+] = 2.00 X 106 or [OH-] = 2.00 X 106). What is its {pH, POH}? A)-5.70 B) 5 X 10⁹ A) 2.88 C) 5.70 D) 8.30 5. The pk, of a weak acid is 4.85. What is the pH of a 0.125 M aqueous solution of this acid? B) 5.75 C) 4.85 D) 3.88

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter15: Acid-base Equilibria

Section: Chapter Questions

Problem 8ALQ: You have a solution of the weak acid HA and add some of the salt NaA to it. What are the major...

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Question

Solve question 4. Question 4 refers to a solution at standard conditions equal to [H3O+=2.00*10^-6 or OH-= 2.00*10^-6.] What is the [ph, pOH]?

4. A solution at standard conditions has {[H3O+] = 2.00 X 106 or [OH-] = 2.00 X 106). What is its {pH,
pOH}?
A)-5.70
B) 5 X 10-⁹
C) 5.70
D) 8.30
5. The pk, of a weak acid is 4.85. What is the pH of a 0.125 M aqueous solution of this acid?
A) 2.88
B) 5.75
C) 4.85
D) 3.88

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