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Sort the following 0.1 M solutions in order of increasing pH ? ? NaCl ? NH4Cl...

Sort the following 0.1 M solutions in order of increasing pH
? ? NaCl ? NH4Cl ? NaNO2 ? NaCN
Ka(HCN) = 6.2 x 10-10 ? Ka(HNO2) = 7.2 x 10-4 ? Kb(NH3) = 1.8 x 10-5

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