Given 0.01 M solutions of each of the following acids, which solution would have the lowest pH?
A) Nitrous acid (HNO2) , pKa = 3.34
B) Phenol (HC6H5O) , pKa = 9.89
C) Acetic acid (HC2H3O2) , pKa = 4.74
D) Hydrofluoric acid (HF) , pKa = 3.46
E) Formic acid (HCHO2) , pKa = 3.74
Correct Answer:
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