Chemistry, 25.09.2019 01:00 22cadenwarner
Asolution contains 0.45 m hydrofluoric acid (hf; ka = 6.8 x 10−4). write the dissociation reaction. determine the degree of ionization and the ph of the solution
Answers: 2
![\frac{[H^+][F^-]}{HF}](/tpl/images/0259/8122/a2dd8.png)
![6.8 \times 10^{-4}= \frac{[x][x]}{0.45 - x}](/tpl/images/0259/8122/8f5af.png)
![pH = -log[H^+]](/tpl/images/0259/8122/7d119.png)
![pH = -log[0.017]](/tpl/images/0259/8122/b4025.png)
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Asolution contains 0.45 m hydrofluoric acid (hf; ka = 6.8 x 10−4). write the dissociation reaction....
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