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2276E 2276E
wrote...
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11 years ago
Write the expression for the acid dissociation constant of the strong acid, hydrofluoric acid, HF?

Thank you.
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wrote...
11 years ago
HF + H?O ? F?(aq) + H?O? . . . pK? = 3.46

K? = [F?][H?O?]/[HF] = 10?³??? = 3.47 × 10??

HF is not a strong acid; it is a moderately weak acid.
wrote...
11 years ago
Ka= ([H+][F-]) / [HF] = 7.2*10^-4
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