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
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
Hh.182.
Transcribed Image Text: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 1: Given data
VIEWStep 2: Calculation of the pH of 0.1 M NaF solution
VIEWStep 3: Calculation of the pH of 0.1 M ethylamine hydrobromide solution
VIEWStep 4: Calculation of the pH of 0.1 M ammonium chloride solution
VIEWStep 5: Calculation of the pH of 0.1 M potassium nitrate solution
VIEWStep 6: Ranking of the given salt solutions according to their pH
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