Identify the conjugate base of ${H_2}PO_3^-$ and the conjugate acid of ${HCO_3^-}$.

  • A
    Conjugate base: ${HPO_3^{2-}}$; Conjugate acid: ${H_2CO_3}$
  • B
    Conjugate base: ${H_3PO_3}$; Conjugate acid: ${CO_3^{2-}}$
  • C
    Conjugate base: ${HPO_3^{2-}}$; Conjugate acid: ${CO_3^{2-}}$
  • D
    Conjugate base: ${H_3PO_3}$; Conjugate acid: ${H_2CO_3}$

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