Consider the following data on some weak acids and weak bases: name nitrous acid 0.1 M KI hydrofluoric acid solution 0.1 M CH3NH3Br acid 0.1 M C₂H5NH3Cl 0.1 M NaNO₂ Ka formula HNO₂ 4.5 x 104 HF 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. X 6.8 x 10 pH choose one choose one choose one -4 choose one base K₂ formula ethylamine C₂H5NH₂ 6.4 x 10-4 methylamine CH3NH₂ 4.4 x 10-4 name

Chemistry: An Atoms First Approach
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Chapter13: Acids And Bases
Section: Chapter Questions
Problem 130E
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Consider the following data on some weak acids and weak bases:
name
nitrous acid
0.1 M KI
hydrofluoric acid
solution
0.1 M CH3NH3Br
acid
0.1 M C₂H5NH3Cl
0.1 M NaNO₂
Ka
formula
HNO₂ 4.5 x 104
6.8 x 10-4
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.
HF
X
pH
choose one
choose one
choose one
choose one
base
K₂
formula
ethylamine C₂H5NH₂ 6.4 x 10-4
methylamine CH3NH₂ 4.4 x 10-4
name
Transcribed Image Text:Consider the following data on some weak acids and weak bases: name nitrous acid 0.1 M KI hydrofluoric acid solution 0.1 M CH3NH3Br acid 0.1 M C₂H5NH3Cl 0.1 M NaNO₂ Ka formula HNO₂ 4.5 x 104 6.8 x 10-4 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. HF X pH choose one choose one choose one choose one base K₂ formula ethylamine C₂H5NH₂ 6.4 x 10-4 methylamine CH3NH₂ 4.4 x 10-4 name
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