Ch15 Buffer Preparation
Authored by I Mohamud
Chemistry
12th Grade
Used 2+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which statement best describes a mixture of 0.50 M HOCl and 0.50 M NaOCl?
A solution with a pH > 7 which is not a buffer
A solution with a pH < 7 which is not a buffer
A buffer solution with a pH between 7 and 10
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which statement best describes a mixture of 0.10 M HClO4 and 0.10 M KClO4 ?
A solution with a pH > 7 which is not a buffer
A solution with a pH < 7 which is not a buffer
A buffer solution with a pH between 7 and 10
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which statement best describes a mixture of 0.10 M K2CO3 and 0.10 M KClO3?
A solution with a pH > 7 which is not a buffer
A solution with a pH < 7 which is not a buffer
A buffer solution with a pH between 7 and 10
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which statement best describes a mixture of 0.10 M CH3NH2 and 0.10 M CH3NH3Cl?
A solution with a pH > 7 which is not a buffer
A solution with a pH < 7 which is not a buffer
A buffer solution with a pH between 7 and 10
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Which statement best describes a mixture of 0.10 mol HCN and 0.050 mol NaOH (Ka HCN = 6.2×10−10) ?
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which statement best describes a mixture of 0.10 mol HA and 0.075 mol NaOH ?
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following actions exceeds the capacity of a buffer that is 0.10 mol HA and 0.20 mol NaA?
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