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In an aqueous solution of a certain acid the acid is 0.94% dissociated and the pH is 3.18. Calculate the acid dissociation constant K,

In an aqueous solution of a certain acid the acid is 0.94% dissociated and the pH is 3.18. Calculate the acid dissociation constant K, of the acid. Round your answer to 2 significant digits. K.-0 0.9

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