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Match it!
Match it! Select the correct answer from the pull down...Good luck!
Which of the following mixtures would NOT create a buffer?
1 pH unit
HNO2 (Ka = 4.5 x 10-4)
1.0-M HClO and 1.0-M NaClO
NO2-
NaNO3 and HNO3
NaF and HF
All of the options are examples!
A solution which is resistant to changes in pH.
Which of the following solutions can be mixed to create a buffer?
1 pH unit
HNO2 (Ka = 4.5 x 10-4)
1.0-M HClO and 1.0-M NaClO
NO2-
NaNO3 and HNO3
NaF and HF
All of the options are examples!
A solution which is resistant to changes in pH.
A buffer is composed of HNO2 and NO2- ions. Which ion would react with added HCl to neutralize it?
1 pH unit
HNO2 (Ka = 4.5 x 10-4)
1.0-M HClO and 1.0-M NaClO
NO2-
NaNO3 and HNO3
NaF and HF
All of the options are examples!
A solution which is resistant to changes in pH.
Which acid should be used to prepare a buffer with a pH close to 3?
1 pH unit
HNO2 (Ka = 4.5 x 10-4)
1.0-M HClO and 1.0-M NaClO
NO2-
NaNO3 and HNO3
NaF and HF
All of the options are examples!
A solution which is resistant to changes in pH.
What is a buffer?
1 pH unit
HNO2 (Ka = 4.5 x 10-4)
1.0-M HClO and 1.0-M NaClO
NO2-
NaNO3 and HNO3
NaF and HF
All of the options are examples!
A solution which is resistant to changes in pH.
A buffer is no longer effective when its pH changes by:
1 pH unit
HNO2 (Ka = 4.5 x 10-4)
1.0-M HClO and 1.0-M NaClO
NO2-
NaNO3 and HNO3
NaF and HF
All of the options are examples!
A solution which is resistant to changes in pH.
Which buffer solution would have the greatest buffering capacity?
1 pH unit
HNO2 (Ka = 4.5 x 10-4)
1.0-M HClO and 1.0-M NaClO
NO2-
NaNO3 and HNO3
NaF and HF
All of the options are examples!
A solution which is resistant to changes in pH.
Which of the following is an example of a buffer system?
1 pH unit
HNO2 (Ka = 4.5 x 10-4)
1.0-M HClO and 1.0-M NaClO
NO2-
NaNO3 and HNO3
NaF and HF
All of the options are examples!
A solution which is resistant to changes in pH.
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