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    Exam 2: Water: the Medium of Life
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    Buffer Systems Are Effective When the PH Values Are Within
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Buffer Systems Are Effective When the PH Values Are Within

Question 21

Question 21

Multiple Choice

Buffer systems are effective when the pH values are within ____ pH unit(s) of the pKa value.


A) 1
B) 2
C) 3
D) 4
E) 5

Correct Answer:

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