摘要：把0.02 mol/L的CH3COOH溶液和0.02 mol/L NaOH溶液以等体积混合.混合液中微粒浓度关系正确的为 A．c (Na+) = c (CH3COO-) B．c (H+) + c (Na+) = c (OH-) + c (CH3COO-) C．c (H+) > c (OH-) D．c (CH3COO-) + c (CH3COOH) = 0.02 mol/L
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把 0.02 mol/L CH3COOH溶液和0.01 mol/L NaOH溶液以等体积混和，则混合液中微粒浓度关系正确的为 | |
| [ ] | |
A． |
c(CH3COO－)＞c(Na+) |
B． |
c(OH－)＞c(H+) |
C． |
c(CH3COOH)＞c(CH3COO－) |
D． |
c(CH3COOH)＋c(CH3COO－)＝0.02 mol/L |
把0.02 mol•L-1 CH3COOH溶液和0.01 mol•L-1 NaOH溶液以等体积混合，则混合液中粒子浓度关系正确的是（ ）
A．c(CH3COO-)>c(Na+)
B．c(CH3COOH)> c(CH3COO-)
C．2c(H+)= c(CH3COO-)- c(CH3COOH)
D．c(CH3COOH)+ c(CH3COO-)=0.01 mol•L-1
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把0.02
mol•L-1 CH3COOH溶液和0.01 mol•L-1
NaOH溶液以等体积混合，则混合液中粒子浓度关系正确的是（ ）
A．c(CH3COO-)>c(Na+)
B．c(CH3COOH)> c(CH3COO-)
C．2c(H+)= c(CH3COO-)- c(CH3COOH)
D．c(CH3COOH)+ c(CH3COO-)=0.01 mol•L-1
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|
把0.02 mol/L CH3COOH溶液和0.01 mol/L NaOH溶液以等体积混和，则混合液中粒子浓度关系正确的为 | |
| [ ] | |
A． |
c(CH3COO＝)＞c(Na+) |
B． |
c(OH－)＞c(H+) |
C． |
c(CH3COOH)＞c(CH3COO－) |
D． |
c(CH3COOH)＋c(CH3COO－) |
把0.02 mol/L CH3COOH溶液和0.01 mol/L NaOH溶液以等体积混和后溶液显酸性，则混合液中微粒浓度关系正确的为
| A．c(CH3COO-)<c(Na+) |
| B．c(CH3COOH)+c(CH3COO-)="0.02" mol/L |
| C．c(CH3COOH)>c(CH3COO-) |
| D．c(OH-)+c(CH3COO-)=c(H+)+c(Na+) |