A.向\(\rm{NaClO}\)溶液中通入少量\(\rm{CO_{2}}\)的离子方程式为:\(\rm{2C1O^{-}+CO_{2}+H_{2}O═2HC1O+CO_{3}^{2-}}\) |
B.相同浓度的\(\rm{Na_{2}CO_{3}}\)和\(\rm{NaClO}\)溶液,\(\rm{pH}\)较大的是\(\rm{NaClO}\)溶液 |
C.向\(\rm{0.1 mol⋅L^{-1}}\)的\(\rm{CH_{3}COOH}\)溶液中滴加\(\rm{NaOH}\)溶液至\(\rm{pH=5}\),此时溶液的\(\rm{c(CH}\)\(\rm{{\,\!}_{3}}\)\(\rm{COOH):c(CH}\)\(\rm{{\,\!}_{3}}\)\(\rm{COO}\)\(\rm{{\,\!}^{-}}\)\(\rm{) =5:9}\) |
D.浓度均为 \(\rm{0.1 mol⋅L^{-1}}\) 的\(\rm{Na_{2}CO_{3}}\)溶液和\(\rm{NaHCO_{3}}\) 溶液等体积混合:\(\rm{3c(Na^{+}) = 2c(HCO_{3}^{-})+ 2c(H_{2}CO_{3})+2c(CO_{3}^{2-})}\) |