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In order to answer these questions you must remember that a conjugate acid gains a proton (H+) and a conjugate base looses a proton. Question: What is the conjugate acid in this equation: C₂O₄²⁻ base + HC₂H₃O₂ acid --> HC₂O₄⁻ conjugate acid + C₂H₃O₂⁻ conjugate base In this equation, C₂O₄²⁻ gains a proton and forms HC₂O₄⁻. This means that C₂O₄²⁻ is the base and HC₂O₄⁻ is the conjugate acid. In addition, HC₂H₃O₂ looses a proton and forms C₂H₃O₂⁻. This means that HC₂H₃O₂ is the acid and C₂H₃O₂⁻ is the conjugate base. |
Key:
Acid - Proton donor Base - Proton receiver |