Is the monoprotic acid Y or the monoprotic acid Z the stronger acid in each of the following situations? At equal concentrations, the percent ionization for Z is greater than that for Y.
Is the monoprotic acid Y or the monoprotic acid Z the stronger acid in each of the following situations? At equal concentrations, the percent ionization for Z is greater than that for Y.
General, Organic, and Biological Chemistry
7th Edition
ISBN:9781285853918
Author:H. Stephen Stoker
Publisher:H. Stephen Stoker
Chapter10: Acids, Bases, And Salts
Section: Chapter Questions
Problem 10.49EP: Is the monoprotic acid Y or the monoprotic acid Z the stronger acid in each of the following...
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Question
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Is the monoprotic acid Y or the monoprotic acid Z the stronger acid in each of the following situations? At equal concentrations, the percent ionization for Z is greater than that for Y. Y
Z
|
| b |
Ka for Y is smaller than Ka for Z. Y
Z
|
| c |
The equilibrium position for the dissociation of Z lies farther to the left than that for Y. Y
Z
|
| d |
At equal concentrations and equal volumes, more hydronium ions are present in the Z solution than the Y solution. Y
Z
|
A solution has [OH-] = 1×10-3.
What is the concentration of H3O+ ion?
What is the concentration of H3O+ ion?
[H3O+] = mol/L
Calculate the pH of the following solutions.
| (a) [H3O+] = 1.0×10-4 M | pH = |
| (b) [H3O+] = 1.0×10-2 M | pH = |
| (c) [OH-] = 1.0×10-6 M | pH = |
| (d) [OH-] = 1.0×10-8 M | pH = |
What is the molar hydronium ion concentration in solutions with each of the following pH values?
| (a) 1.0 | [H3O+] = M |
| (b) 5.0 | [H3O+] = M |
| (c) 9.0 | [H3O+] = M |
| (d) 12.0 | [H3O+] = M |
With the help of table below, arrange the following 0.2 M aqueous solutions in order of increasing pH:
| Name | Formula | Ka | Percent Ionization |
| Hydrofluoric acid | HF | 6.8×10-4 | 2.6 |
| Nitrous acid | HNO2 | 4.5×10-4 | 2.1 |
HF, HNO3, HNO2, KOH
HNO3, HF, HNO2, KOH
HNO3, HNO2, HF, KOH
KOH, HNO3, HF, HNO2
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