Arsenic acid (H3AsO4) is a triprotic acid with Ka1=5.5×10-3, Ka2 = 1.7 ×10-7, and Ka3 =5.1×10-12. Calculate [H+], [OH-], [H3AsO4], [H2AsO4-], [HAsO42-], and [AsO43-] in a 0.20-M arsenic acid solution.
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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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Arsenic acid (H3AsO4) is a triprotic acid with Ka1=5.5×10-3, Ka2 = 1.7 ×10-7, and Ka3 =5.1×10-12. Calculate [H+], [OH-], [H3AsO4], [H2AsO4-], [HAsO42-], and [AsO43-] in a 0.20-M arsenic acid solution.
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