Which of the Following Titration Curves Listed Below Best Represents

question 15

Multiple Choice

Which of the following titration curves listed below best represents a curve for the complete titration of the weakly basic dianion, sulfide, S^{2 -} , with a strong acid such as HCl as shown below in the net ionic equation?
S^{2 -} (aq) + 2 HCl (aq) →H₂S (g) + 2 Cl ^-

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