First, write the dissociation reaction. We start with the acid and water (solvent) as the reactants. Then the products should be the conjugate base (1 less H) and H3O+ ( where the H went). Take note of the charges. The conjugate base should gain a negative charge. All of the compounds except water (liquid) should be aqueous (aq) since they are dissolved in water.
Phosphorous acid dissociates to form dihydrogen phosphite and hydronium ion. Phosphorous acid has Ka of 5.0 x 10-2.
Write the equation dissociation for phosphorous acid. Express your answer as a chemical equation. Identify all of the phases in your answer.
What is the expression constant dissociation for phosphorous acid?
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