36. Solution A has a pH of 2 and Solution B has a pH of 4. What is true about solutions A and B? A) Solution B is 100 times more acidic than Solution A. B) Solution A is 100 times more acidic than Solution B. C) Solution B is 2 times more acidic than Solution A. D) Solution A is 2 times more acidic than Solution B. 37. You dissolve some sodium fluoride, NaF. in some water which has a pH of 7. What do you know about the pH of the solution? A) It will be less than 7. B) It will be equal to 7. C) It will be greater than 7. D) It is impossible to predict the pH of the solution. 38. You dissolve some sodium chloride, NaCl, in some water which has a pH of 7. What do you know about the pH of the solution? A) It will be less than 7. B) It will be equal to 7. C) It will be greater than 7. D) It is impossible to predict the pH of the solution.
36. Solution A has a pH of 2 and Solution B has a pH of 4. What is true about solutions A and B? A) Solution B is 100 times more acidic than Solution A. B) Solution A is 100 times more acidic than Solution B. C) Solution B is 2 times more acidic than Solution A. D) Solution A is 2 times more acidic than Solution B. 37. You dissolve some sodium fluoride, NaF. in some water which has a pH of 7. What do you know about the pH of the solution? A) It will be less than 7. B) It will be equal to 7. C) It will be greater than 7. D) It is impossible to predict the pH of the solution. 38. You dissolve some sodium chloride, NaCl, in some water which has a pH of 7. What do you know about the pH of the solution? A) It will be less than 7. B) It will be equal to 7. C) It will be greater than 7. D) It is impossible to predict the pH of the solution.
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 26QAP: Find [H+] and the pH of the following solutions. (a) A 456-mL sample of a 12.0% (by mass) solution...
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Question
Transcribed Image Text:36. Solution A has a pH of 2 and Solution B has a pH of 4. What is true about
solutions A and B?
A) Solution B is 100 times more acidic than Solution A.
B) Solution A is 100 times more acidic than Solution B.
C) Solution B is 2 times more acidic than Solution A.
D) Solution A is 2 times more acidic than Solution B.
37. You dissolve some sodium fluoride, NaF, in some water which has a pH of 7.
What do you know about the pH of the solution?
A) It will be less than 7.
B) It will be equal to 7.
C) It will be greater than 7.
D) It is impossible to predict the pH of the solution.
38. You dissolve some sodium chloride, NaCl, in some water which has a pH of 7.
What do you know about the pH of the solution?
A) It will be less than 7.
B) It will be equal to 7.
C) It will be greater than 7.
D) It is impossible to predict the pH of the solution.
Transcribed Image Text:32. HCOO" is the conjugate base of HCOOH, The Ka for HCOOH is 1.8 X 10“. What
is the Kb for HCOO?
A) 1.8 X 106
B) 5.6 X 1011
C) 3.74
D) 1.0 X 10-14
33. Which of the following equations would correspond to the bicarbonate ion,
HCO3', behaving as a weak acid?
A) HCO3 (aq) + H2O (1) = H3O* (aq) + CO32 (aq)
B) HCO3 (aq) + H20 (I) = H2CO3 (aq) + CO3? (aq)
C) HCO3 (aq) + H2O (I) = H2CO3 (aq) + OH" (aq)
%3D
D) HCO3 (aq) = CO2 (g) + OH° (aq)
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