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Phosphoric Acid Is a Triprotic Acid in Water,ionizing in the Following

Question 87

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Phosphoric acid is a triprotic acid in water,ionizing in the following sequential steps: H3PO4 + H2O \leftrightarrows H2PO4- + H3O+  Phosphoric acid is a triprotic acid in water,ionizing in the following sequential steps: H<sub>3</sub>PO<sub>4</sub> + H<sub>2</sub>O  \leftrightarrows  H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>3</sub>O<sup>+</sup>   H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>2</sub>O \leftrightarrows HPO<sub>4</sub><sup>2</sup><sup>-</sup> + H<sub>3</sub>O<sup>+</sup>   HPO<sub>4</sub><sup>2</sup><sup>-</sup> + H<sub>2</sub>O  \leftrightarrows  PO<sub>4</sub><sup>3</sup><sup>-</sup> + H<sub>3</sub>O<sup>+ </sup> <sup> </sup>   What is the appropriate K<sub>b</sub> expression for a sodium phosphate solution? A)    B)    C)    D)    E)    H2PO4- + H2O \leftrightarrows HPO42- + H3O+  Phosphoric acid is a triprotic acid in water,ionizing in the following sequential steps: H<sub>3</sub>PO<sub>4</sub> + H<sub>2</sub>O  \leftrightarrows  H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>3</sub>O<sup>+</sup>   H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>2</sub>O \leftrightarrows HPO<sub>4</sub><sup>2</sup><sup>-</sup> + H<sub>3</sub>O<sup>+</sup>   HPO<sub>4</sub><sup>2</sup><sup>-</sup> + H<sub>2</sub>O  \leftrightarrows  PO<sub>4</sub><sup>3</sup><sup>-</sup> + H<sub>3</sub>O<sup>+ </sup> <sup> </sup>   What is the appropriate K<sub>b</sub> expression for a sodium phosphate solution? A)    B)    C)    D)    E)    HPO42- + H2O \leftrightarrows PO43- + H3O+
 Phosphoric acid is a triprotic acid in water,ionizing in the following sequential steps: H<sub>3</sub>PO<sub>4</sub> + H<sub>2</sub>O  \leftrightarrows  H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>3</sub>O<sup>+</sup>   H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>2</sub>O \leftrightarrows HPO<sub>4</sub><sup>2</sup><sup>-</sup> + H<sub>3</sub>O<sup>+</sup>   HPO<sub>4</sub><sup>2</sup><sup>-</sup> + H<sub>2</sub>O  \leftrightarrows  PO<sub>4</sub><sup>3</sup><sup>-</sup> + H<sub>3</sub>O<sup>+ </sup> <sup> </sup>   What is the appropriate K<sub>b</sub> expression for a sodium phosphate solution? A)    B)    C)    D)    E)    What is the appropriate Kb expression for a sodium phosphate solution?


A)  Phosphoric acid is a triprotic acid in water,ionizing in the following sequential steps: H<sub>3</sub>PO<sub>4</sub> + H<sub>2</sub>O  \leftrightarrows  H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>3</sub>O<sup>+</sup>   H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>2</sub>O \leftrightarrows HPO<sub>4</sub><sup>2</sup><sup>-</sup> + H<sub>3</sub>O<sup>+</sup>   HPO<sub>4</sub><sup>2</sup><sup>-</sup> + H<sub>2</sub>O  \leftrightarrows  PO<sub>4</sub><sup>3</sup><sup>-</sup> + H<sub>3</sub>O<sup>+ </sup> <sup> </sup>   What is the appropriate K<sub>b</sub> expression for a sodium phosphate solution? A)    B)    C)    D)    E)
B)  Phosphoric acid is a triprotic acid in water,ionizing in the following sequential steps: H<sub>3</sub>PO<sub>4</sub> + H<sub>2</sub>O  \leftrightarrows  H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>3</sub>O<sup>+</sup>   H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>2</sub>O \leftrightarrows HPO<sub>4</sub><sup>2</sup><sup>-</sup> + H<sub>3</sub>O<sup>+</sup>   HPO<sub>4</sub><sup>2</sup><sup>-</sup> + H<sub>2</sub>O  \leftrightarrows  PO<sub>4</sub><sup>3</sup><sup>-</sup> + H<sub>3</sub>O<sup>+ </sup> <sup> </sup>   What is the appropriate K<sub>b</sub> expression for a sodium phosphate solution? A)    B)    C)    D)    E)
C)  Phosphoric acid is a triprotic acid in water,ionizing in the following sequential steps: H<sub>3</sub>PO<sub>4</sub> + H<sub>2</sub>O  \leftrightarrows  H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>3</sub>O<sup>+</sup>   H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>2</sub>O \leftrightarrows HPO<sub>4</sub><sup>2</sup><sup>-</sup> + H<sub>3</sub>O<sup>+</sup>   HPO<sub>4</sub><sup>2</sup><sup>-</sup> + H<sub>2</sub>O  \leftrightarrows  PO<sub>4</sub><sup>3</sup><sup>-</sup> + H<sub>3</sub>O<sup>+ </sup> <sup> </sup>   What is the appropriate K<sub>b</sub> expression for a sodium phosphate solution? A)    B)    C)    D)    E)
D)  Phosphoric acid is a triprotic acid in water,ionizing in the following sequential steps: H<sub>3</sub>PO<sub>4</sub> + H<sub>2</sub>O  \leftrightarrows  H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>3</sub>O<sup>+</sup>   H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>2</sub>O \leftrightarrows HPO<sub>4</sub><sup>2</sup><sup>-</sup> + H<sub>3</sub>O<sup>+</sup>   HPO<sub>4</sub><sup>2</sup><sup>-</sup> + H<sub>2</sub>O  \leftrightarrows  PO<sub>4</sub><sup>3</sup><sup>-</sup> + H<sub>3</sub>O<sup>+ </sup> <sup> </sup>   What is the appropriate K<sub>b</sub> expression for a sodium phosphate solution? A)    B)    C)    D)    E)
E)  Phosphoric acid is a triprotic acid in water,ionizing in the following sequential steps: H<sub>3</sub>PO<sub>4</sub> + H<sub>2</sub>O  \leftrightarrows  H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>3</sub>O<sup>+</sup>   H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>2</sub>O \leftrightarrows HPO<sub>4</sub><sup>2</sup><sup>-</sup> + H<sub>3</sub>O<sup>+</sup>   HPO<sub>4</sub><sup>2</sup><sup>-</sup> + H<sub>2</sub>O  \leftrightarrows  PO<sub>4</sub><sup>3</sup><sup>-</sup> + H<sub>3</sub>O<sup>+ </sup> <sup> </sup>   What is the appropriate K<sub>b</sub> expression for a sodium phosphate solution? A)    B)    C)    D)    E)

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