将0.2mol/LCH3COONa溶液与0.1mol/L盐酸等体积混合,混合溶液中下列微粒的物质的量浓度关系正确的是A c(CH3COO-)=C(CL-)=C(H+) >c(CH3COOH)B c(CH3COO-)>c(CH3COOH) >C(H+)>C(CL-)C c(CH3COO-)>C(CL-) >C(H+)>c(CH3COOH)D c(CH3
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![将0.2mol/LCH3COONa溶液与0.1mol/L盐酸等体积混合,混合溶液中下列微粒的物质的量浓度关系正确的是A c(CH3COO-)=C(CL-)=C(H+) >c(CH3COOH)B c(CH3COO-)>c(CH3COOH) >C(H+)>C(CL-)C c(CH3COO-)>C(CL-) >C(H+)>c(CH3COOH)D c(CH3](/uploads/image/z/5940871-7-1.jpg?t=%E5%B0%860.2mol%2FLCH3COONa%E6%BA%B6%E6%B6%B2%E4%B8%8E0.1mol%2FL%E7%9B%90%E9%85%B8%E7%AD%89%E4%BD%93%E7%A7%AF%E6%B7%B7%E5%90%88%2C%E6%B7%B7%E5%90%88%E6%BA%B6%E6%B6%B2%E4%B8%AD%E4%B8%8B%E5%88%97%E5%BE%AE%E7%B2%92%E7%9A%84%E7%89%A9%E8%B4%A8%E7%9A%84%E9%87%8F%E6%B5%93%E5%BA%A6%E5%85%B3%E7%B3%BB%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%98%AFA+c%EF%BC%88CH3COO-%29%3DC%28CL-%29%3DC%28H%2B%29+%3Ec%28CH3COOH%29B+c%EF%BC%88CH3COO-%29%3Ec%28CH3COOH%29+%3EC%28H%2B%29%3EC%28CL-%29C+c%EF%BC%88CH3COO-%29%3EC%28CL-%29+%3EC%28H%2B%29%3Ec%28CH3COOH%29D+c%EF%BC%88CH3)
将0.2mol/LCH3COONa溶液与0.1mol/L盐酸等体积混合,混合溶液中下列微粒的物质的量浓度关系正确的是A c(CH3COO-)=C(CL-)=C(H+) >c(CH3COOH)B c(CH3COO-)>c(CH3COOH) >C(H+)>C(CL-)C c(CH3COO-)>C(CL-) >C(H+)>c(CH3COOH)D c(CH3
将0.2mol/LCH3COONa溶液与0.1mol/L盐酸等体积混合,混合溶液中下列微粒的物质的量浓度关系正确的是
A c(CH3COO-)=C(CL-)=C(H+) >c(CH3COOH)
B c(CH3COO-)>c(CH3COOH) >C(H+)>C(CL-)
C c(CH3COO-)>C(CL-) >C(H+)>c(CH3COOH)
D c(CH3COO-)+C(CL-)+C(OH-)=C(H+)+C(Na+)
可能为多选题,
将0.2mol/LCH3COONa溶液与0.1mol/L盐酸等体积混合,混合溶液中下列微粒的物质的量浓度关系正确的是A c(CH3COO-)=C(CL-)=C(H+) >c(CH3COOH)B c(CH3COO-)>c(CH3COOH) >C(H+)>C(CL-)C c(CH3COO-)>C(CL-) >C(H+)>c(CH3COOH)D c(CH3
CH3COONa+HCl=CH3COOH+NaCl
1 1
0.1 0.1
由于H+和CH3COO-结合成弱电解质CH3COOH,而且H+在溶液中不过量,所以c(H+)是最小的.
故ABC选项都是错的.
按照溶液中正负电荷总和相等,D是正确的.
D是正确的,做这种题你记住一个电荷平衡就没有多大的问题,就是溶液中阴、阳离子总数是相等的~~~