Hh.182. Consider the following data on some weak acids and weak bases:formulahydrofluoric acid HEhypochlorous acid HCIOnameacid0.1 M Nafsolution0.1 MC₂HsNHBr0.1 MNH₂C0.1 M KNO)K6.8x10 43.0x10Use 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 tothe solution that will have the next lowest pH, and so on.pHchoose onechoose onechoose onechoose onebasenameKformulaammonia NH, 1.8x100-5ethylamine C₂H₂NH₂ 6,4 x 10

Ka of HF = 6.8 x 10-4 Ka of HClO = 3.0 x 10-8 Kb of NH3 = 1.8 x 10-5 Kb of C2H5NH2 = 6.4 x…

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Hh.182.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

Hh.182.

Consider the following data on some weak acids and weak bases:
formula
hydrofluoric acid HE
hypochlorous acid HCIO
name
acid
0.1 M Naf
solution
0.1 MC₂HsNHBr
0.1 MNH₂C
0.1 M KNO)
K
6.8x10 4
3.0x10
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.
pH
choose one
choose one
choose one
choose one
base
name
K
formula
ammonia NH, 1.8x10
0-5
ethylamine C₂H₂NH₂ 6,4 x 10

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Step 2: Calculation of the pH of 0.1 M NaF solution

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Step 3: Calculation of the pH of 0.1 M ethylamine hydrobromide solution

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Step 4: Calculation of the pH of 0.1 M ammonium chloride solution

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Step 5: Calculation of the pH of 0.1 M potassium nitrate solution

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Step 6: Ranking of the given salt solutions according to their pH

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