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In addition to being a Bronsted-Lowry, acetate is an Arrhenius base. When acetate is dissolved in water, the concentration of hydroxide is increased. Complete the following reversible reaction. Then identify conjugate acid-base pairs. Hint: think of water as HOH.CH3COO-(aq) + H2O(l) <---->

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Answer:

CH₃COO ⁻    +   H₂O       ⇔         CH₃COOH            +       OH⁻

Base                 Acid          Conjugated weak acid         Conjugated base

Explanation:

Acetate is a Bronsted-Lowry base because it can accept a proton from water.

This makes the solution be basic, because it release hydroxides.

CH₃COO ⁻    +   H₂O     ⇔            CH₃COOH            +       OH⁻

Base                 Acid        Conjugated weak acid         Conjugated base

Water becomes an acid, because it can release a proton, following the Bronsted-Lowry theory.

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