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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: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter13: Acids And Bases
Section: Chapter Questions
Problem 32QAP: What is the pH of a solution obtained by mixing 235 mL of NaOH with a pH of 11.57 and 316 mL of...
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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
Transcribed Image Text: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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