1.

If pKb for fluoride at 25 c is 10.83, the ionization constant of hydrofluoric acid in water at this temperature is?

A. 3.52 10<sup>-3</sup>
B. 6.75 10<sup>-4</sup>
C. 5.38 10<sup>-2</sup>
D. 1.74 10<sup>-5</sup>
Answer» C. 5.38 10<sup>-2</sup>


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