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Phosphoric Acid Is a Triprotic Acid, Ionizing in the Following

Question 25

Multiple Choice

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


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

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