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

question 23

Multiple Choice

Phosphoric acid is a triprotic acid in water,ionizing in the following sequential steps: H₃PO₄ + H₂O $\leftrightarrows$ F10 H₂PO₄^- + H₃O⁺ $Phosphoric acid is a triprotic acid in water,ionizing in the following sequential steps: H3PO4 + H2O \leftrightarrows F10 H2PO4- + H3O+ = 7.11 *10-3 H2PO4- + H2O \leftrightarrows HPO42- + H3O+ = 6.32 *10-8 HPO42- + H2O \leftrightarrows PO43- + H3O+ = 4.5 *10 - 13 What is the pH of a 0.20 M H3PO4 solution? A) 2.84 B) 1.46 C) 2.15 D) 4.09 E) 5.37$ = 7.11 *10^-³
H₂PO₄^- + H₂O $\leftrightarrows$ HPO₄²^- + H₃O⁺
$Phosphoric acid is a triprotic acid in water,ionizing in the following sequential steps: H3PO4 + H2O \leftrightarrows F10 H2PO4- + H3O+ = 7.11 *10-3 H2PO4- + H2O \leftrightarrows HPO42- + H3O+ = 6.32 *10-8 HPO42- + H2O \leftrightarrows PO43- + H3O+ = 4.5 *10 - 13 What is the pH of a 0.20 M H3PO4 solution? A) 2.84 B) 1.46 C) 2.15 D) 4.09 E) 5.37$ = 6.32 *10^-⁸
HPO₄²^- + H₂O $\leftrightarrows$ PO₄³^- + H₃O⁺
$Phosphoric acid is a triprotic acid in water,ionizing in the following sequential steps: H3PO4 + H2O \leftrightarrows F10 H2PO4- + H3O+ = 7.11 *10-3 H2PO4- + H2O \leftrightarrows HPO42- + H3O+ = 6.32 *10-8 HPO42- + H2O \leftrightarrows PO43- + H3O+ = 4.5 *10 - 13 What is the pH of a 0.20 M H3PO4 solution? A) 2.84 B) 1.46 C) 2.15 D) 4.09 E) 5.37$ = 4.5 *10 ^- ¹³
What is the pH of a 0.20 M H₃PO₄ solution?

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

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