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For HF, PK_a = 3

Question 249

Multiple Choice

For HF, pK_a = 3.45.What is the pH of an aqueous buffer solution that is 0.100 M HF(aq) And 0.300 M KF(aq) ?

A) 10.07
B) 2.97
C) 3.45
D) 3.93
E) 11.03

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