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For the reaction HF(aq) + H2O (l) <--->    H3O+(aq) + F-(aq)      Kc = 6.8...

For the reaction HF(aq) + H2O (l) <--->    H3O+(aq) + F-(aq)      Kc = 6.8 x 10-4

What is [H3O+] at equilibrium for a 0.0100M solution of HF.

( successive approximation method or quadratic) ( 2 sig figs)

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