solution 0.1 M NHACI 0.1 M NaCN 0.1 M KCI 0.1 M C6H5NH3Br PH choose one 1 (lowest) 2 4 (highest) choose one 234

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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Question
Consider the following data on some weak acids and weak bases:
acid
base
K₁
K₂
name
formula
name
formula
acetic acid
HCH₂CO₂ 1.8 x 10-5
aniline CH₂NH₂ 4.3 × 10
-10
hydrocyanic acid HCN
4.9 × 10 10
ammonia NH3
1.8 × 10-5
obo
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 NH4CI
choose one
1 (lowest)
2
0.1 M NaCN
3
4 (highest)
0.1 M KCI
0.1 M C6H5NH3Br
choose one
Transcribed Image Text:Consider the following data on some weak acids and weak bases: acid base K₁ K₂ name formula name formula acetic acid HCH₂CO₂ 1.8 x 10-5 aniline CH₂NH₂ 4.3 × 10 -10 hydrocyanic acid HCN 4.9 × 10 10 ammonia NH3 1.8 × 10-5 obo 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 NH4CI choose one 1 (lowest) 2 0.1 M NaCN 3 4 (highest) 0.1 M KCI 0.1 M C6H5NH3Br choose one
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