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PH:②>③>④>① c(CH3COO-):②>④>③>① 溶液中c(H+):①>③>②>④ c(CH3COOH):① >④>③>②
pH: ②<①<③<④ 溶液中c(H+):①<③<②<④ c(NH4+):①<③<②<④ c(NH3·H2O): ①<③<④<②
pH:②>③>④>① c(CH3COO-):②>④>③>① 溶液中c(H+):①>③>②>④ c(CH3COOH):①>④>③>②
pH: ②<①<③<④ pH:①<③<②<④
c(NH4+):①<③<②<④ c(NH4+): ①<③<④<②
②>④>③>① ②>④>①>③ ③ >①>②>④ ①>④>③>②
pH:②>③>④>① c(CH3COO-):②>④>③>① 溶液中c(H+):①>③>②>④ c(CH3COOH):①>④>③>②
1.0 mol/L 2.0 mol/L 3.0 mol/L 4.0 mol/L
pH:②>③>④>① c(CH3COO-):②>④>③>① 溶液中c(H+):①>③>②>④ c(CH3COOH):①>④>③>②
pH:②>③>④>① c(CH3COO-):②>④>③>① 溶液中c(H+):①>③>②>④ c(CH3COOH):①>④>③>②
pH:②>③>④>① c(CH3COO-):②>④>③>① 溶液中c(H+):①>③>②>④ c(CH3COOH):①>④>③>②
pH:②>③>④>① c(CH3COO-):②>④>③>① 溶液中c(H+):①>③>②>④ C.(CH3COOH):①>④>③>②
pH:②>③>④>① c(CH3COO-):②>④>③>①
溶液中c(Na+):①>③>②>④ c(CH3COOH):①>④>③>②
pH:②>③>④>① c(CH3COO-):②>④>③>① 溶液中c(H+):①>③>②>④ c(CH3COOH):①>④>③>②
pH ②>③>④>① c(CH3COO—) ②>④>③>① 溶液中C.(H+) ①>③>②>④ c(CH3COOH) ①>④>③>②
pH:②<①<③<④ 溶液中c(H+):①<③<②<④ c(NH):①<③<②<④ c(NH3·H2O):①<③<④<②
0.01mol ・L-1醋酸溶液 0.02mol ・L-1醋酸与0.02mol ・L-1NaOH溶液等体积混合液 0.03mol ・L-1醋酸与0.01mol ・L-1NaOH溶液等体积混合液 pH = 2的盐酸与pH = 12的NaOH溶液等体积混合液
0.5 mol/L 1.0 mol/L 1.5 mol/L 2.0 mol/L
pH:②>③>④>① c(CH3COO-):②>④>③>① 溶液中c(H+):①>③>②>④ c(CH3COOH):①>④>③>②
pH:②<①<③<④
溶液中c(H.+):①<③<②<④
c(NH3•H.2O.):①<③<④<② c(NH4+):①<③<②<④