Consider the following data on some weak acids and weak bases: base acid K Kb name formula name formula hydrofluoric acid HF 6.8 x 10 5 hydrocyanic acid HCN 4.9 × 10 10 ammonia NH3 1.8 × 10 pyridine C5H5N 1.7 × 10 9 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. solution PH 0.1 M NH4Bг 0.1 M KI 0.1 M C5H5NHCI choose one choose one choose onev 0.1 M NaF choose onev X 5

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Chapter1: Chemical Foundations
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Consider the following data on some weak acids and weak bases:
base
acid
K
Kb
name
formula
name formula
hydrofluoric acid HF
6.8 x 10
5
hydrocyanic acid HCN 4.9 × 10 10
ammonia NH3 1.8 × 10
pyridine C5H5N 1.7 × 10 9
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.
solution
PH
0.1 M NH4Bг
0.1 M KI
0.1 M C5H5NHCI
choose one
choose one
choose onev
0.1 M NaF
choose onev
X
5
Transcribed Image Text:Consider the following data on some weak acids and weak bases: base acid K Kb name formula name formula hydrofluoric acid HF 6.8 x 10 5 hydrocyanic acid HCN 4.9 × 10 10 ammonia NH3 1.8 × 10 pyridine C5H5N 1.7 × 10 9 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. solution PH 0.1 M NH4Bг 0.1 M KI 0.1 M C5H5NHCI choose one choose one choose onev 0.1 M NaF choose onev X 5
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