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Phosphoric Acid,H3PO4,will Undergo Three Successive Ionization Reactions to Varying Extents

Question 31

Multiple Choice

Phosphoric acid,H3PO4,will undergo three successive ionization reactions to varying extents in water.What is the balanced equilibrium identified as Ka3?


A) H2PO4-(aq) + H2O(l) Phosphoric acid,H<sub>3</sub>PO<sub>4</sub>,will undergo three successive ionization reactions to varying extents in water.What is the balanced equilibrium identified as K<sub>a3</sub>? A) H<sub>2</sub>PO<sub>4</sub><sup>-</sup>(aq) + H<sub>2</sub>O(l) H<sub>3</sub>O<sup>+</sup>(aq) + HPO<sub>4</sub><sup>2-</sup>(aq) B) HPO<sub>4</sub><sup>2-</sup>(aq) + H<sub>2</sub>O(l) PO<sub>4</sub><sup>3-</sup>(aq) + H<sub>3</sub>O<sup>+</sup>(aq) C) H<sub>2</sub>PO<sub>4</sub><sup>-</sup>(aq) + H<sub>3</sub>O<sup>+</sup>(aq) H<sub>3</sub>PO<sub>4</sub>(aq) + H<sub>2</sub>O(l) D) H<sub>3</sub>PO<sub>4</sub>(aq) + H<sub>2</sub>O(l) H<sub>3</sub>O<sup>+</sup>(aq) + H<sub>2</sub>PO<sub>4</sub><sup>-</sup>(aq) E) PO<sub>4</sub><sup>3-</sup>(aq) + H<sub>2</sub>O(l) HPO<sub>4</sub><sup>2-</sup>(aq) + OH<sup>-</sup>(aq) H3O+(aq) + HPO42-(aq)
B) HPO42-(aq) + H2O(l) Phosphoric acid,H<sub>3</sub>PO<sub>4</sub>,will undergo three successive ionization reactions to varying extents in water.What is the balanced equilibrium identified as K<sub>a3</sub>? A) H<sub>2</sub>PO<sub>4</sub><sup>-</sup>(aq) + H<sub>2</sub>O(l) H<sub>3</sub>O<sup>+</sup>(aq) + HPO<sub>4</sub><sup>2-</sup>(aq) B) HPO<sub>4</sub><sup>2-</sup>(aq) + H<sub>2</sub>O(l) PO<sub>4</sub><sup>3-</sup>(aq) + H<sub>3</sub>O<sup>+</sup>(aq) C) H<sub>2</sub>PO<sub>4</sub><sup>-</sup>(aq) + H<sub>3</sub>O<sup>+</sup>(aq) H<sub>3</sub>PO<sub>4</sub>(aq) + H<sub>2</sub>O(l) D) H<sub>3</sub>PO<sub>4</sub>(aq) + H<sub>2</sub>O(l) H<sub>3</sub>O<sup>+</sup>(aq) + H<sub>2</sub>PO<sub>4</sub><sup>-</sup>(aq) E) PO<sub>4</sub><sup>3-</sup>(aq) + H<sub>2</sub>O(l) HPO<sub>4</sub><sup>2-</sup>(aq) + OH<sup>-</sup>(aq) PO43-(aq) + H3O+(aq)
C) H2PO4-(aq) + H3O+(aq) Phosphoric acid,H<sub>3</sub>PO<sub>4</sub>,will undergo three successive ionization reactions to varying extents in water.What is the balanced equilibrium identified as K<sub>a3</sub>? A) H<sub>2</sub>PO<sub>4</sub><sup>-</sup>(aq) + H<sub>2</sub>O(l) H<sub>3</sub>O<sup>+</sup>(aq) + HPO<sub>4</sub><sup>2-</sup>(aq) B) HPO<sub>4</sub><sup>2-</sup>(aq) + H<sub>2</sub>O(l) PO<sub>4</sub><sup>3-</sup>(aq) + H<sub>3</sub>O<sup>+</sup>(aq) C) H<sub>2</sub>PO<sub>4</sub><sup>-</sup>(aq) + H<sub>3</sub>O<sup>+</sup>(aq) H<sub>3</sub>PO<sub>4</sub>(aq) + H<sub>2</sub>O(l) D) H<sub>3</sub>PO<sub>4</sub>(aq) + H<sub>2</sub>O(l) H<sub>3</sub>O<sup>+</sup>(aq) + H<sub>2</sub>PO<sub>4</sub><sup>-</sup>(aq) E) PO<sub>4</sub><sup>3-</sup>(aq) + H<sub>2</sub>O(l) HPO<sub>4</sub><sup>2-</sup>(aq) + OH<sup>-</sup>(aq) H3PO4(aq) + H2O(l)
D) H3PO4(aq) + H2O(l) Phosphoric acid,H<sub>3</sub>PO<sub>4</sub>,will undergo three successive ionization reactions to varying extents in water.What is the balanced equilibrium identified as K<sub>a3</sub>? A) H<sub>2</sub>PO<sub>4</sub><sup>-</sup>(aq) + H<sub>2</sub>O(l) H<sub>3</sub>O<sup>+</sup>(aq) + HPO<sub>4</sub><sup>2-</sup>(aq) B) HPO<sub>4</sub><sup>2-</sup>(aq) + H<sub>2</sub>O(l) PO<sub>4</sub><sup>3-</sup>(aq) + H<sub>3</sub>O<sup>+</sup>(aq) C) H<sub>2</sub>PO<sub>4</sub><sup>-</sup>(aq) + H<sub>3</sub>O<sup>+</sup>(aq) H<sub>3</sub>PO<sub>4</sub>(aq) + H<sub>2</sub>O(l) D) H<sub>3</sub>PO<sub>4</sub>(aq) + H<sub>2</sub>O(l) H<sub>3</sub>O<sup>+</sup>(aq) + H<sub>2</sub>PO<sub>4</sub><sup>-</sup>(aq) E) PO<sub>4</sub><sup>3-</sup>(aq) + H<sub>2</sub>O(l) HPO<sub>4</sub><sup>2-</sup>(aq) + OH<sup>-</sup>(aq) H3O+(aq) + H2PO4-(aq)
E) PO43-(aq) + H2O(l) Phosphoric acid,H<sub>3</sub>PO<sub>4</sub>,will undergo three successive ionization reactions to varying extents in water.What is the balanced equilibrium identified as K<sub>a3</sub>? A) H<sub>2</sub>PO<sub>4</sub><sup>-</sup>(aq) + H<sub>2</sub>O(l) H<sub>3</sub>O<sup>+</sup>(aq) + HPO<sub>4</sub><sup>2-</sup>(aq) B) HPO<sub>4</sub><sup>2-</sup>(aq) + H<sub>2</sub>O(l) PO<sub>4</sub><sup>3-</sup>(aq) + H<sub>3</sub>O<sup>+</sup>(aq) C) H<sub>2</sub>PO<sub>4</sub><sup>-</sup>(aq) + H<sub>3</sub>O<sup>+</sup>(aq) H<sub>3</sub>PO<sub>4</sub>(aq) + H<sub>2</sub>O(l) D) H<sub>3</sub>PO<sub>4</sub>(aq) + H<sub>2</sub>O(l) H<sub>3</sub>O<sup>+</sup>(aq) + H<sub>2</sub>PO<sub>4</sub><sup>-</sup>(aq) E) PO<sub>4</sub><sup>3-</sup>(aq) + H<sub>2</sub>O(l) HPO<sub>4</sub><sup>2-</sup>(aq) + OH<sup>-</sup>(aq) HPO42-(aq) + OH-(aq)

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