A、NaHCO<sub>3sub>、NaH<sub>2sub>PO<sub>4sub> B、Na<sub>2sub>CO<sub>3sub>、NaH<sub>2sub>PO<sub>4sub> C、NaHCO<sub>3sub>、Na<sub>2sub>HPO<sub>4sub> D、Na<sub>2sub>CO<sub>3sub>、Na<sub>2sub>HPO<sub>4sub>
A、NaHCO<sub>3sub>、NaH<sub>2sub>PO<sub>4sub> B、Na<sub>2sub>CO<sub>3sub>、NaH<sub>2sub>PO<sub>4sub> C、NaHCO<sub>3sub>、Na<sub>2sub>HPO<sub>4sub> D、Na<sub>2sub>CO<sub>3sub>、Na<sub>2sub>HPO<sub>4sub>
A、血细胞中的KHCO<sub>3sub> B、血浆中的Na<sub>2sub>HPO<sub>4sub> C、血浆中的NaHCO<sub>3sub> D、血浆中的K<sub>2sub>HPO<sub>4sub>
A、HAc-NaAc B、NH<sub>3sub>-NH<sub>4sub>Cl C、NaH<sub>2sub>PO<sub>4sub>-Na<sub>2sub>HPO<sub>4sub> D、NaHCO<sub>3sub>-Na<sub>2sub>CO<sub>3sub>
A、 NaHCO<sub>3sub>-Na<sub>2sub>CO<sub>3sub> B、 NaH<sub>2sub>PO<sub>4sub>-Na<sub>2sub>HPO<sub>4sub> C、 HclO-NaClO D、 H<sub>2sub>CO<sub>3sub>-NaHCO<sub>3sub>
A、HCOOH-HCOONa B、HAc-NaAc C、NaHCO<sub>3sub>-H<sub>2sub>CO<sub>3sub> D、NH<sub>4sub>Cl-NH<sub>3sub> E、Na<sub>2sub>HPO<sub>4sub>-Na<sub>3sub>PO<sub>4sub>
A、NH<sub>3sub>+NH<sub>4sub>Cl B、HAc+NaAc C、Na<sub>2sub>HPO<sub>4sub>+NaH<sub>2sub>PO<sub>4sub> D、HCl+NaCl
A、HAc-NaAc B、NaH<sub>2sub>PO<sub>4sub>-Na<sub>2sub>HPO<sub>4sub> C、NaAc D、NH<sub>4sub>Cl-NH<sub>3sub>
A、NaH<sub>2sub>PO<sub>4sub>--Na<sub>2sub>HPO<sub>4sub>(pK<sub>α1sub><sup>θsup>=2.12,pK<sub>α2sub><sup>θsup>=7.20) B、HCOOH--HCOONa(pK<sub>αsub><sup>θsup>=3.74) C、HAC--NaAC(pK<sub>αsub><sup>θsup>=4.74) D、NaHCO<sub>3sub>--Na<sub>2sub>CO<sub>3sub>(pK<sub>α1sub><sup>θsup>=6.38,pK<sub>α2sub><sup>θsup>=10.25)