Consider the following data on some weak acids and weak bases: acid Ka formula name name 8 hypochlorous acid HCIO 3.0 × 10 hydrofluoric acid HF 6.8 x 10 base Kb formula -10 aniline C&H NH 4.3x 107 methylamine CH3NH2 4.4 × 10 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution PH 0.1 M C6H5NH3Br choose one ✓ choose one 0.1 M KCI choose one ◇ 1 (lowest) 0.1 M KCIO choose one 2 0.1 M NaF choose one 3 × 4 (highest)
Consider the following data on some weak acids and weak bases: acid Ka formula name name 8 hypochlorous acid HCIO 3.0 × 10 hydrofluoric acid HF 6.8 x 10 base Kb formula -10 aniline C&H NH 4.3x 107 methylamine CH3NH2 4.4 × 10 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution PH 0.1 M C6H5NH3Br choose one ✓ choose one 0.1 M KCI choose one ◇ 1 (lowest) 0.1 M KCIO choose one 2 0.1 M NaF choose one 3 × 4 (highest)
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
Problem 87AP
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Transcribed Image Text:Consider the following data on some weak acids and weak bases:
acid
Ka
formula
name
name
8
hypochlorous acid
HCIO
3.0 × 10
hydrofluoric acid
HF
6.8 x 10
base
Kb
formula
-10
aniline C&H NH 4.3x 107
methylamine CH3NH2 4.4 × 10
Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH,
a '2' next to the solution that will have the next lowest pH, and so on.
solution
PH
0.1 M C6H5NH3Br
choose one
✓ choose one
0.1 M KCI
choose one ◇
1 (lowest)
0.1 M KCIO
choose one
2
0.1 M NaF
choose one
3
×
4 (highest)
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