A.\(\rm{0.1mol/|LCH_{3}COONa}\) 与\(\rm{0.lmol/LHCl}\) 溶液等体积混合\(\rm{c(Na^{+})=c(Cl^{-}) > c(OH^{-}) > cCH_{3}COO^{-})}\) |
B.\(\rm{0.lmol/LNH_{4}Cl}\)与\(\rm{0.lmol/L}\) 氨水等体积浪合\(\rm{(pH > 7)}\): \(\rm{c(NH_{3}·H_{2}O) > c(NH_{4}^{+}) > c(Cl^{-}) > c(OH^{-})}\) |
C.\(\rm{0.1mol/LNa_{2}}\)\(\rm{CO}\)\(\rm{{\,\!}_{3}}\)与\(\rm{0.lmol/LNaHCO}\)\(\rm{{\,\!}_{3}}\)溶液等体积混合:\(\rm{2/3c(Na}\)\(\rm{{\,\!}^{+}}\)\(\rm{)=c(CO}\)\(\rm{{\,\!}_{3}^{2-}}\)\(\rm{)+c(HCO}\)\(\rm{{\,\!}_{3}^{-}}\)\(\rm{)+c(H}\)\(\rm{{\,\!}_{2}}\)\(\rm{CO}\)\(\rm{{\,\!}_{3}}\) |
D.\(\rm{0.1mol/LNa_{2}}\)\(\rm{C}\)\(\rm{{\,\!}_{2}}\)\(\rm{O}\)\(\rm{{\,\!}_{4}}\)与\(\rm{0.lmol/LHCl}\)溶液等体积混合\(\rm{(H}\)\(\rm{{\,\!}_{2}}\)\(\rm{C}\)\(\rm{{\,\!}_{2}}\)\(\rm{O}\)\(\rm{{\,\!}_{4}}\)为二元弱酸\(\rm{)}\):\(\rm{2c(C}\)\(\rm{{\,\!}_{2}}\)\(\rm{O}\)\(\rm{{\,\!}_{4}^{2-}}\)\(\rm{)+c(HC}\)\(\rm{{\,\!}_{2}}\)\(\rm{O}\)\(\rm{{\,\!}_{4}^{-}}\)\(\rm{)+c(OH}\)\(\rm{{\,\!}^{-}}\)\(\rm{)=c(Na}\)\(\rm{{\,\!}^{+}}\)\(\rm{)+c(H}\)\(\rm{{\,\!}^{+}}\)\(\rm{)}\) |