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Phosphoric Acid Is a Triprotic Acid, Ionizing in the Following

Question 41

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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><sup> </sup> 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><sup> </sup> 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><sup> </sup> Which equilibrium is most important in determining the pH of a solution of sodium phosphate? A) 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> B) 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> C) PO<sub>4</sub><sup>3</sup><sup>-</sup> + H<sub>2</sub>O HPO<sub>4</sub><sup>2</sup><sup>-</sup> + OH<sup>-</sup> D) H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>2</sub>O H<sub>3</sub>PO<sub>4</sub> + OH<sup>-</sup> E) 2H<sub>2</sub>O H<sub>3</sub>O<sup>+</sup> + OH<sup>-</sup> H2PO4- + H3O+ 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><sup> </sup> 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><sup> </sup> 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><sup> </sup> Which equilibrium is most important in determining the pH of a solution of sodium phosphate? A) 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> B) 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> C) PO<sub>4</sub><sup>3</sup><sup>-</sup> + H<sub>2</sub>O HPO<sub>4</sub><sup>2</sup><sup>-</sup> + OH<sup>-</sup> D) H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>2</sub>O H<sub>3</sub>PO<sub>4</sub> + OH<sup>-</sup> E) 2H<sub>2</sub>O H<sub>3</sub>O<sup>+</sup> + OH<sup>-</sup> 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><sup> </sup> 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><sup> </sup> 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><sup> </sup> Which equilibrium is most important in determining the pH of a solution of sodium phosphate? A) 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> B) 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> C) PO<sub>4</sub><sup>3</sup><sup>-</sup> + H<sub>2</sub>O HPO<sub>4</sub><sup>2</sup><sup>-</sup> + OH<sup>-</sup> D) H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>2</sub>O H<sub>3</sub>PO<sub>4</sub> + OH<sup>-</sup> E) 2H<sub>2</sub>O H<sub>3</sub>O<sup>+</sup> + OH<sup>-</sup> HPO42- + H3O+ 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><sup> </sup> 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><sup> </sup> 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><sup> </sup> Which equilibrium is most important in determining the pH of a solution of sodium phosphate? A) 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> B) 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> C) PO<sub>4</sub><sup>3</sup><sup>-</sup> + H<sub>2</sub>O HPO<sub>4</sub><sup>2</sup><sup>-</sup> + OH<sup>-</sup> D) H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>2</sub>O H<sub>3</sub>PO<sub>4</sub> + OH<sup>-</sup> E) 2H<sub>2</sub>O H<sub>3</sub>O<sup>+</sup> + OH<sup>-</sup> 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><sup> </sup> 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><sup> </sup> 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><sup> </sup> Which equilibrium is most important in determining the pH of a solution of sodium phosphate? A) 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> B) 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> C) PO<sub>4</sub><sup>3</sup><sup>-</sup> + H<sub>2</sub>O HPO<sub>4</sub><sup>2</sup><sup>-</sup> + OH<sup>-</sup> D) H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>2</sub>O H<sub>3</sub>PO<sub>4</sub> + OH<sup>-</sup> E) 2H<sub>2</sub>O H<sub>3</sub>O<sup>+</sup> + OH<sup>-</sup> PO43- + H3O+ 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><sup> </sup> 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><sup> </sup> 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><sup> </sup> Which equilibrium is most important in determining the pH of a solution of sodium phosphate? A) 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> B) 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> C) PO<sub>4</sub><sup>3</sup><sup>-</sup> + H<sub>2</sub>O HPO<sub>4</sub><sup>2</sup><sup>-</sup> + OH<sup>-</sup> D) H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>2</sub>O H<sub>3</sub>PO<sub>4</sub> + OH<sup>-</sup> E) 2H<sub>2</sub>O H<sub>3</sub>O<sup>+</sup> + OH<sup>-</sup> Which equilibrium is most important in determining the pH of a solution of sodium phosphate?


A) 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><sup> </sup> 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><sup> </sup> 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><sup> </sup> Which equilibrium is most important in determining the pH of a solution of sodium phosphate? A) 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> B) 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> C) PO<sub>4</sub><sup>3</sup><sup>-</sup> + H<sub>2</sub>O HPO<sub>4</sub><sup>2</sup><sup>-</sup> + OH<sup>-</sup> D) H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>2</sub>O H<sub>3</sub>PO<sub>4</sub> + OH<sup>-</sup> E) 2H<sub>2</sub>O H<sub>3</sub>O<sup>+</sup> + OH<sup>-</sup> PO43- + H3O+
B) 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><sup> </sup> 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><sup> </sup> 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><sup> </sup> Which equilibrium is most important in determining the pH of a solution of sodium phosphate? A) 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> B) 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> C) PO<sub>4</sub><sup>3</sup><sup>-</sup> + H<sub>2</sub>O HPO<sub>4</sub><sup>2</sup><sup>-</sup> + OH<sup>-</sup> D) H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>2</sub>O H<sub>3</sub>PO<sub>4</sub> + OH<sup>-</sup> E) 2H<sub>2</sub>O H<sub>3</sub>O<sup>+</sup> + OH<sup>-</sup> H2PO4- + H3O+
C) PO43- + 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><sup> </sup> 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><sup> </sup> 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><sup> </sup> Which equilibrium is most important in determining the pH of a solution of sodium phosphate? A) 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> B) 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> C) PO<sub>4</sub><sup>3</sup><sup>-</sup> + H<sub>2</sub>O HPO<sub>4</sub><sup>2</sup><sup>-</sup> + OH<sup>-</sup> D) H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>2</sub>O H<sub>3</sub>PO<sub>4</sub> + OH<sup>-</sup> E) 2H<sub>2</sub>O H<sub>3</sub>O<sup>+</sup> + OH<sup>-</sup> HPO42- + OH-
D) 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><sup> </sup> 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><sup> </sup> 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><sup> </sup> Which equilibrium is most important in determining the pH of a solution of sodium phosphate? A) 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> B) 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> C) PO<sub>4</sub><sup>3</sup><sup>-</sup> + H<sub>2</sub>O HPO<sub>4</sub><sup>2</sup><sup>-</sup> + OH<sup>-</sup> D) H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>2</sub>O H<sub>3</sub>PO<sub>4</sub> + OH<sup>-</sup> E) 2H<sub>2</sub>O H<sub>3</sub>O<sup>+</sup> + OH<sup>-</sup> H3PO4 + OH-
E) 2H2O 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><sup> </sup> 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><sup> </sup> 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><sup> </sup> Which equilibrium is most important in determining the pH of a solution of sodium phosphate? A) 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> B) 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> C) PO<sub>4</sub><sup>3</sup><sup>-</sup> + H<sub>2</sub>O HPO<sub>4</sub><sup>2</sup><sup>-</sup> + OH<sup>-</sup> D) H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>2</sub>O H<sub>3</sub>PO<sub>4</sub> + OH<sup>-</sup> E) 2H<sub>2</sub>O H<sub>3</sub>O<sup>+</sup> + OH<sup>-</sup> H3O+ + OH-

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