Consider the following data on some weak acids and weak bases: acid base Ka K, name formula name formula hydrofluoric acid HF -4 6.8 x 10 ethylamine C,H5NH, 6.4 × 10 -4 hydrocyanic acid C;H;N |1.7× 10 -9 HCN 4.9 × 10-10 pyridine 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 C2H5NH3CI choose one 0.1 M NaF choose one v 0.1 М кCN choose one 0.1 M C5H5NHBr choose one v

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
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Chapter13: Acids And Bases
Section: Chapter Questions
Problem 109QAP: Consider two weak acids, HA (MM=138g/mol)and HB (MM=72.0g/mol). A solution consisting of 11.0 g of...
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rank the following solutions in order of increasing pH

Consider the following data on some weak acids and weak bases:
acid
base
Ka
K,
name
formula
name
formula
hydrofluoric acid
HF
-4
6.8 x 10
ethylamine C,H5NH, 6.4 × 10
-4
hydrocyanic acid
C;H;N |1.7× 10
-9
HCN
4.9 × 10-10
pyridine
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 C2H5NH3CI
choose one
0.1 M NaF
choose one v
0.1 М кCN
choose one
0.1 M C5H5NHBr
choose one v
Transcribed Image Text:Consider the following data on some weak acids and weak bases: acid base Ka K, name formula name formula hydrofluoric acid HF -4 6.8 x 10 ethylamine C,H5NH, 6.4 × 10 -4 hydrocyanic acid C;H;N |1.7× 10 -9 HCN 4.9 × 10-10 pyridine 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 C2H5NH3CI choose one 0.1 M NaF choose one v 0.1 М кCN choose one 0.1 M C5H5NHBr choose one v
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