Consider the following data on some weak acids and weak bases: name acetic acid hydrocyanic acid acid 0.1 M NH4Br 0.1 M Nal solution 0.1 M C5H5NHCI 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. 0.1 M KCN formula HCH3CO₂ 1.8 x 105 HCN 4.9 × 10 10 pH choose one choose one ✓ choose one ✓ base choose one ✓ K₂ formula pyridine C₂H₂N 1.7 x 107 -9 ammonia NH3 1.8 x 10 name

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Chapter1: Chemical Foundations
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Consider the following data on some weak acids and weak bases:
name
acetic acid
hydrocyanic acid
acid
0.1 M NH4Br
0.1 M NaI
solution
0.1 M C₂H5NHCI
0.1 M KCN
formula
HCH3CO₂
2
HCN
Ka
1.8 × 10-5
4.9 × 10
-10
pH
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.
choose one
choose one ✓
choose one ✓
base
choose one
K₂
formula
-9
pyridine C₂H₂N 1.7×10 ⁹
NH3
name
ammonia
1.8 × 10
-5
Transcribed Image Text:Consider the following data on some weak acids and weak bases: name acetic acid hydrocyanic acid acid 0.1 M NH4Br 0.1 M NaI solution 0.1 M C₂H5NHCI 0.1 M KCN formula HCH3CO₂ 2 HCN Ka 1.8 × 10-5 4.9 × 10 -10 pH 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. choose one choose one ✓ choose one ✓ base choose one K₂ formula -9 pyridine C₂H₂N 1.7×10 ⁹ NH3 name ammonia 1.8 × 10 -5
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