Consider the following data on some weak acids and weak bases: acid base K K name formula name formula hydrocyanic acid HCN 4.9 × 10 10 ammonia NH, 1.8 × 10-5 hydrofluoric acid HF 6.8 × 10 aniline C6H5NH2 4.3 × 10 10 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 NaCN 0.1 M NH4Br 0.1 M NaNO3 0.1 M KF ✓ choose one 1 (lowest) 2 3 4 (highest) choose one ? olo Ar

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter15: Solutions Of Acids And Bases
Section: Chapter Questions
Problem 15.50QE
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Predicting the qualitative acid-base properties of salts
Consider the following data on some weak acids and weak bases:
base
acid
Ba
K
name
formula
name
formula
5
- 10
hydrocyanic acid HCN
4.9 × 10
ammonia
NH3
1.8 × 10
-4
hydrofluoric acid
HF
6.8 × 10
aniline C6H5NH2 4.3 × 10¯
- 10
2/5
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
0.1 M NaCN
PH
✓ choose one
1 (lowest)
0.1 M NH4Br
0.1 M NaNO3
0.1 M KF
2
3
4 (highest)
choose one v
☑
?
00.
18
Ar
Transcribed Image Text:Predicting the qualitative acid-base properties of salts Consider the following data on some weak acids and weak bases: base acid Ba K name formula name formula 5 - 10 hydrocyanic acid HCN 4.9 × 10 ammonia NH3 1.8 × 10 -4 hydrofluoric acid HF 6.8 × 10 aniline C6H5NH2 4.3 × 10¯ - 10 2/5 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 0.1 M NaCN PH ✓ choose one 1 (lowest) 0.1 M NH4Br 0.1 M NaNO3 0.1 M KF 2 3 4 (highest) choose one v ☑ ? 00. 18 Ar
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