A.室温下,\(\rm{pH=3}\)的\(\rm{CH_{3}COOH}\)溶液与\(\rm{pH=11}\)的\(\rm{NaOH}\)溶液等体积混合,溶液\(\rm{pH > 7}\) |
B.加热\(\rm{0.1 mol/L Na_{2}CO_{3}}\)溶液,\(\rm{CO\rlap{_{3}}{^{2-}}}\)的水解程度和溶液的\(\rm{pH}\)均增大 |
C.\(\rm{CH_{3}COOH}\) 溶液加水稀释后,溶液中\(\rm{ \dfrac{c(CH_{3}COOH)}{c(CH_{3}COO^{-})}}\)的值减小 |
D.水的离子积常数\(\rm{K_{w}}\)随着温度的升高而增大,说明水的电离是放热反应 |