Fluoride anion and hydronium cation react to form hydrofluoric acid and water, like this: F(aq)+H3O+(aq)HF(aq)+H2O(l) At a certain temperature, a chemist finds that a 6.3L reaction vessel containing an aqueous solution of fluoride anion, hydronium cation, hydrofluoric acid, and water at equilibrium has the following composition:

compound	amount
F	0.467g
H3O+	0.135g
HF	3.33g
H2O	606.g

Calculate the value of the equilibrium constant

Kc for this reaction. Round your answer to 2 significant digits.