常温下,用0.1000mol/LNaOH溶液滴定20.00mL0.1000mol/L溶液CH3COOH所得滴定曲线如右图.下列说法正确的是A.点①所示溶液中:c(CH3COO-)+c(OH-)=c(CH3COOH)+c(H+)B.点②所示溶液中:c(Na+)=c(CH3COOH)+c(CH3COO-)C.点③所示
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![常温下,用0.1000mol/LNaOH溶液滴定20.00mL0.1000mol/L溶液CH3COOH所得滴定曲线如右图.下列说法正确的是A.点①所示溶液中:c(CH3COO-)+c(OH-)=c(CH3COOH)+c(H+)B.点②所示溶液中:c(Na+)=c(CH3COOH)+c(CH3COO-)C.点③所示](/uploads/image/z/6387238-46-8.jpg?t=%E5%B8%B8%E6%B8%A9%E4%B8%8B%2C%E7%94%A80.1000mol%2FLNaOH%E6%BA%B6%E6%B6%B2%E6%BB%B4%E5%AE%9A20.00mL0.1000mol%2FL%E6%BA%B6%E6%B6%B2CH3COOH%E6%89%80%E5%BE%97%E6%BB%B4%E5%AE%9A%E6%9B%B2%E7%BA%BF%E5%A6%82%E5%8F%B3%E5%9B%BE.%E4%B8%8B%E5%88%97%E8%AF%B4%E6%B3%95%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%98%AFA.%E7%82%B9%E2%91%A0%E6%89%80%E7%A4%BA%E6%BA%B6%E6%B6%B2%E4%B8%AD%3Ac%28CH3COO-%29%2Bc%28OH-%29%3Dc%28CH3COOH%29%2Bc%28H%2B%29B.%E7%82%B9%E2%91%A1%E6%89%80%E7%A4%BA%E6%BA%B6%E6%B6%B2%E4%B8%AD%EF%BC%9Ac%28Na%2B%29%3Dc%28CH3COOH%29%2Bc%28CH3COO-%29C.%E7%82%B9%E2%91%A2%E6%89%80%E7%A4%BA)
常温下,用0.1000mol/LNaOH溶液滴定20.00mL0.1000mol/L溶液CH3COOH所得滴定曲线如右图.下列说法正确的是A.点①所示溶液中:c(CH3COO-)+c(OH-)=c(CH3COOH)+c(H+)B.点②所示溶液中:c(Na+)=c(CH3COOH)+c(CH3COO-)C.点③所示
常温下,用0.1000mol/LNaOH溶液滴定20.00mL0.1000mol/L溶液CH3COOH所得滴定曲线如右图.下列说法正确的是
A.点①所示溶液中:c(CH3COO-)+c(OH-)=c(CH3COOH)+c(H+)
B.点②所示溶液中:c(Na+)=c(CH3COOH)+c(CH3COO-)
C.点③所示溶液中:c(Na+)﹥c(OH-)﹥c(CH3COO-)﹥c(H+)
D.滴定过程中可能出现:c(CH3COOH)﹥c(CH3COO-)﹥c(H+)﹥c(Na+)﹥c(OH-)
要各项详解,谢谢!
常温下,用0.1000mol/LNaOH溶液滴定20.00mL0.1000mol/L溶液CH3COOH所得滴定曲线如右图.下列说法正确的是A.点①所示溶液中:c(CH3COO-)+c(OH-)=c(CH3COOH)+c(H+)B.点②所示溶液中:c(Na+)=c(CH3COOH)+c(CH3COO-)C.点③所示
A 1点就是CH3COOH+CH3COONa,满足电荷守恒:[CH3COO-]+[OH-]=[Na+]+[H+]
B 2点是中性,[H+]=[OH-],[CH3COO-]=[Na+]
C 3点恰好反应点,[Na+]>[CH3COO-]>[OH-]>[H+]
D 当加入极少量的NaOH时,就出现这种情况,正确.