A、MgO B、K<sub>2sub>Cr<sub>2sub>O<sub>7sub> C、CaSO<sub>4sub>·H<sub>2sub>O D、KH<sub>2sub>PO<sub>4sub>
A、MgO B、K<sub>2sub>Cr<sub>2sub>O<sub>7sub> C、CaSO<sub>4sub>·H<sub>2sub>O D、KH<sub>2sub>PO<sub>4sub>
A、pH、PCO<sub>2sub>、BE B、pH、PO<sub>2sub>、BE C、pH、PCO<sub>2sub>、PO<sub>2sub> D、PCO<sub>2sub>、PO<sub>2sub>、BE E、PCO<sub>2sub>、PO<sub>2sub>、Hb
A、弱酸及其共轭碱(HAc—NaAc) B、弱碱及其共轭酸(NH<sub>3sub>—NH<sub>4sub>Cl) C、两性物质(KH<sub>2sub>PO<sub>4sub>—Na<sub>2sub>HPO<sub>4sub>) D、高浓度的强酸及强碱(pH<2的HCl,pH>12的NaOH)
A、[H<sub>2sub>PO<sub>4sub>-]>[HPO<sub>4sub>2-] B、[HPO<sub>4sub>2-]>[H<sub>2sub>PO<sub>4sub>-] C、[H<sub>2sub>PO<sub>4sub>-]<[HPO<sub>4sub>2-] D、[PO<sub>4sub>3-]>[HPO<sub>4sub>2-]
A、pH、pCO<sub>2sub>、TCO<sub>2sub> B、pH、pO<sub>2sub>、SO<sub>2sub> C、pH、pO<sub>2sub>、pCO<sub>2sub> D、pH、SB、AB E、pH、pO<sub>2sub>、TCO<sub>2sub>
A、CaCO<sub>3sub>+H<sub>3sub>PO<sub>4sub> B、Ca<sub>5sub>F(PO<sub>4sub>)<sub>3sub>+H<sub>2sub>SO<sub>4sub> C、CaF<sub>2sub>+H<sub>3sub>PO<sub>4sub> D、CaSO<sub>4sub>+H<sub>3sub>PO<sub>4sub>
A、H<sub>2sub>PO<sub>4sub> B、H<sub>2sub>PO<sub>3sub> C、H<sub>3sub>PO<sub>4sub> D、HPO<sub>3sub>
A、H<sub>2sub>PO<sub>4sub>-和HPO<sub>4sub>2- B、H<sub>2sub>PO<sub>4sub>- C、HPO<sub>4sub>2- D、HPO<sub>4sub>2-和PO<sub>4sub>3-
A、Kθ<sub>SPsub>= [Sr2+][PO<sub>4sub>3-] B、Kθ<sub>SPsub>= [3Sr2+][2PO<sub>4sub>3-] C、Kθ<sub>SPsub>= [Sr2+]3[PO<sub>4sub>3-]2 D、Kθ<sub>SPsub>= [Sr2+<sub>3sub>][(PO<sub>4sub>)<sub>2sub>3-]
A、H<sub>3sub>PO<sub>4sub> B、H<sub>3sub>PO<sub>3sub> C、H<sub>3sub>PO<sub>2sub> D、H<sub>4sub>P<sub>2sub>O<sub>7sub> E、(HPO<sub>3sub>)n