Question

Write the acid dissociation equation for the dissociation of the weak acid H2PO4- in water.

Write the acid dissociation equation for the dissociation of the weak acid H2PO4- in water.

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Answer #1

H2PO4-   + H2O --------> HPO42-              +       H3O+

acid         base               conjugate base          conjugate acid

HPO42- +    H2O ----------> PO43- +           H3O+

acid          base               conjugate base          conjugate acid

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