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O ACIDS AND BASES
Predicting the qualitative acid-base properties of salts
Tania 00448...
Consider the following data on some weak acids and weak bases:
acid
name
formula
K
base
name
formula
Kh
hydrocyanic acid
HCN
4.9 x 10
-10
pyridine
CSHSN
1.7 x 10
nitrous acid
HNO2
4.5 x 10
ammonia
NH3
1.8 x 10
olo
Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' 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.
At
solution
PH
0.1 M Nal
choose one :
0.1 M NH4B
choose one :
0.1 M KCN
choose one :
0.1 M C5H5NHCI
choose one :
X
?
U
Explanation
Check
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