Final answer:
The conjugate acid of HAsO₃²- is H₂AsO₃⁻ as it can donate a proton to revert to HAsO₃²-. The conjugate base of HAsO₃²- is AsO₃³- because it can accept a proton to revert back to HAsO₃²-.
Step-by-step explanation:
To identify the conjugate acid of HAsO₃²-, we need to add a proton (H⁺) to the species, resulting in H₂AsO₃⁻. H₂AsO₃⁻ is the conjugate acid because it can donate a proton to revert back to HAsO₃²-.
On the other hand, to find the conjugate base of HAsO₃²-, a proton is removed, yielding AsO₃³-, which can accept a proton to revert back to HAsO₃²-. Therefore, AsO₃³- is the conjugate base.
The complete questuon is:What is the conjugate acid of HAsO₃²-? What is the conjugate base? is: