Phosphoric acid is a triprotic acid, ionizing in the following sequential steps: H₃PO₄ + H₂O H₂PO₄^- + H₃O⁺ H₂PO₄^- + H₂O HPO₄^2- + H₃O⁺
HPO₄^2- + H₂O PO₄^3- +H₃O⁺
Which equilibrium is most important in determining the pH of a solution of sodium phosphate?

Question

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> H<sub>2</sub>PO<sub>4</sub><sup>-</sup> + H<sub>2</sub>O HPO<sub>4</sub><sup>2-</sup> + H<sub>3</sub>O<sup>+</sup> <sup> </sup> HPO<sub>4</sub><sup>2-</sup> + H<sub>2</sub>O PO<sub>4</sub><sup>3-</sup> +H<sub>3</sub>O<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> + H<sub>2</sub>O PO<sub>4</sub><sup>3-</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>+ H<sub>2</sub>O HPO<sub>4</sub><sup>2-</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⁺

H₂PO₄^- + H₂O

HPO₄^2- + H₃O⁺

HPO₄^2- + H₂O

PO₄^3- +H₃O⁺

Which equilibrium is most important in determining the pH of a solution of sodium phosphate?

Quizplus · Accepted Answer

The Answer of Phosphoric acid is a triprotic acid, ionizing in the following sequential steps: H₃PO₄ + H₂O H₂PO₄^- + H₃O⁺ H₂PO₄^- + H₂O HPO₄^2- + H₃O⁺ HPO₄^2- + H₂O PO₄^3- +H₃O⁺ Which equilibrium is most important in determining the pH of a solution of sodium phosphate?

Phosphoric Acid Is a Triprotic Acid, Ionizing in the Following