BasePairs-101The conjugate base of HAsO42- is:Question 2Select one:a.H3AsO3b.H2AsO4-c.HAsO42-d.AsO43-e.H2AsO42-
Question
BasePairs-101The conjugate base of HAsO42- is:Question 2Select one:a.H3AsO3b.H2AsO4-c.HAsO42-d.AsO43-e.H2AsO42-
Solution
The conjugate base of an acid is formed when that acid donates a proton (H+). In this case, the acid is HAsO4^2-. When it donates a proton, it becomes AsO4^3-. Therefore, the conjugate base of HAsO4^2- is AsO4^3-. So, the correct answer is d. AsO4^3-.
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