H3PO4 is a triprotic acid with the following acid dissociation constants: H3PO4 ⇌ H2PO4- + H+ Ka1 = 1.2 × 10-4 H2PO4- ⇌ HPO42- + H+ Ka2 = 4.3 × 10-9 HPO42- ⇌ PO43- + H+ Ka3 = 7.2 × 10-12 What is K for the following equilibrium: PO43- + 3H+ ⇌ H3PO4
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Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
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H3PO4 is a triprotic acid with the following acid dissociation constants:
H3PO4 ⇌ H2PO4- + H+ Ka1 = 1.2 × 10-4
H2PO4- ⇌ HPO42- + H+ Ka2 = 4.3 × 10-9
HPO42- ⇌ PO43- + H+ Ka3 = 7.2 × 10-12
What is K for the following equilibrium: PO43- + 3H+ ⇌ H3PO4
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