Consider the following data on some weak acids and weak bases:
Acid Ka
name formula
nitrous acidHNO2×4.510−4
acetic acidHCH3CO2×1.810−5
Base Kb
name formula
ammonia NH3 ×1.810−5
ethylamineC2H5NH2×6.410−4
Use this data to rank the following solutions in order of increasing pH
solution pH
0.1 M NaNO2
0.1 M NH4Cl
0.1 M NaI
0.1 M C2H5NH3Br
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