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Formic acid, hcooh, is a weak acid present in the venom of red-ants. at equilibrium, [hcooh] = 2.00 m, [hcoo− ] = 4.0 × 10− 1 m, and [h3o+ ] = 9.0 × 10− 4 m. __________________


a. write the equilibrium expression for the ionization

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Answer:

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Explanation:

[tex]\rm HCOOH + H_{2}O \rightleftharpoons H_{3}O^{+} + HCOO^{-}[/tex]

The general formula for an equilibrium constant expression is

[tex]K_{eq} = \dfrac{[\text{Products}]}{[\text{Reactants}]}[/tex]

For this reaction,  

[tex]K_{eq} = \dfrac{[\text{HCOO}^{-}][\text{H}_{3}\text{O}^{+}]}{[\text{HCOOH}]}[/tex]

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