Consider the following data on some weak acids and weak bases: acid base K. K, name formula name formula -4 hydrocyanic acid НCN 4.9 x 10-10 methylamine CH,NH, 4.4 × 10 acetic acid HCH,CO2 1.8 × 10¬3 ethylamine C2H5NH2 6.4 x 10¬4 Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' 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 NaCN choose one e 0.1 М KBr choose one O 0.1 M KCH3CO2 choose one e 0.1 M CH3NH3Br choose one e

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter15: Solutions Of Acids And Bases
Section: Chapter Questions
Problem 15.114QE
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Consider the following data on some weak acids and weak bases:
acid
base
Ba
K,
name
formula
name
formula
hydrocyanic acid
HCN
10
4.9 x 10
methylamine| CH3NH2 |4.4 × 10
HCH,CO2 1.8 × 10
ethylamine C2H5NH2|6.4 × 10
acetic acid
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 NaCN
choose one
0.1 M KBr
choose one
0.1 М КСН3СО2
choose one
0.1 М CН3NHзBr
choose one
Transcribed Image Text:Consider the following data on some weak acids and weak bases: acid base Ba K, name formula name formula hydrocyanic acid HCN 10 4.9 x 10 methylamine| CH3NH2 |4.4 × 10 HCH,CO2 1.8 × 10 ethylamine C2H5NH2|6.4 × 10 acetic acid 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 NaCN choose one 0.1 M KBr choose one 0.1 М КСН3СО2 choose one 0.1 М CН3NHзBr choose one
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