HA, a weak acid, with Ka = 1.0 * 10-8, also forms the ion HA2-. The reaction is HA(aq) + A-(aq)<----->HA2 -(aq) and its K = 4.0. Calculate the [H+], [A-], and [HA2 -] in a 1.0 M solution of HA.

Introductory Chemistry For Today
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Chapter9: Acids, Bases, And Salts
Section: Chapter Questions
Problem 9.123E
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HA, a weak acid, with Ka = 1.0 * 10-8, also forms the ion HA2-. The reaction is HA(aq) + A-(aq)<----->HA2 -(aq) and its K = 4.0. Calculate the [H+], [A-], and [HA2 -] in a 1.0 M solution of HA.

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