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    General Organic and Biological Chemistry Study Set 1
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    Exam 9: Acids and Bases
  5. Question
    Which Buffer Solution Has the Lowest PH (HF Has K<sub>a</sub>
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Which Buffer Solution Has the Lowest PH (HF Has Ka

Question 95

Question 95

Multiple Choice

Which buffer solution has the lowest pH (HF has Ka = 7.2 × 10-4) ?


A) 0.10 M HF and 0.10 M NaF
B) 0.20 M HF and 0.20 M NaF
C) 0.20 M HF and 0.10 M NaF
D) 0.10 M HF and 0.20 M NaF
E) All of the buffer solutions described have the same pH.

Correct Answer:

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