Phosphoric acid, H3PO4, is a polyprotic acid. What is the SECOND ionization reaction for phosphoric acid in water? HPO¯ (aq) → PO¹³ (aq) + H+ (aq) H3PO4 (aq) → H₂PO4 (aq) + H+ (aq) H₂PO4 (aq) → HPO²¯ (aq) + H+ (aq) H3PO4 (aq) → 3 H+ (aq) + PO¾³ (aq)

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter4: Reactions In Aqueous Solution
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Phosphoric acid, H3PO4, is a polyprotic acid. What is the SECOND ionization reaction for phosphoric acid in
water?
HPO¯ (aq) → PO¹³ (aq) + H+ (aq)
H3PO4 (aq) → H₂PO4 (aq) + H+ (aq)
H₂PO4 (aq) → HPO²¯ (aq) + H+ (aq)
H3PO4 (aq) → 3 H+ (aq) + PO¾³ (aq)
Transcribed Image Text:Phosphoric acid, H3PO4, is a polyprotic acid. What is the SECOND ionization reaction for phosphoric acid in water? HPO¯ (aq) → PO¹³ (aq) + H+ (aq) H3PO4 (aq) → H₂PO4 (aq) + H+ (aq) H₂PO4 (aq) → HPO²¯ (aq) + H+ (aq) H3PO4 (aq) → 3 H+ (aq) + PO¾³ (aq)
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