Consider the following data on some weak acids and weak
bases:
acid
Ka
name
formula
acetic acid
HCH3CO2
×1.810?5
hydrocyanic acid
HCN
×4.910?10
base
Kb
name
formula
pyridine
C5H5N
×1.710?9
aniline
C6H5NH2
×4.310?10
Use this data to...
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Question
Chemistry
Consider the following data on some weak acids and weakbases:
acid
Ka
name
formula
acetic acid
HCH3CO2
×1.810?5
hydrocyanic acid
HCN
×4.910?10
base
Kb
name
formula
pyridine
C5H5N
×1.710?9
aniline
C6H5NH2
×4.310?10
Use this data to rank the following solutions in order ofincreasing pH. In other words, select a '1'next to the solutionthat will have the lowest pH, a '2' next to the solution that willhave the next lowest pH, and so on.
Solution pH
0.1 M NaCl
0.1 M C6H5NH3Cl
0.1 M C5H5NHBr
0.1 M NaCN
Answer & Explanation
Solved by verified expert
4.2 Ratings (699 Votes)
1 01 M NaClNaCl is a salt of strong acid HCl and strong base NaOH so itforms neutral salt solution as the neutral salt NaCl is totallydissociated in solutionpHfor neutral
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