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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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Verified Solution

Question

Chemistry

Consider the following data on some weak acids and weakbases:

acid

Ka

nameformula
acetic acid

HCH3CO2

×1.810?5

hydrocyanic acid

HCN

×4.910?10

base

Kb

nameformula
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    See Answer
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