題目列表(包括答案和解析)
把 0.02 mol/L CH3COOH溶液和0.01 mol/L NaOH溶液以等體積混和,則混合液中微粒濃度關(guān)系正確的為 | |
[ ] | |
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溶液以等體積混合,則混合液中粒子濃度關(guān)系正確的是( )
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
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
把0.02 mol/L CH3COOH溶液和0.01 mol/L NaOH溶液以等體積混和,則混合液中粒子濃度關(guān)系正確的為 | |
[ ] | |
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溶液以等體積混和后溶液顯酸性,則混合液中微粒濃度關(guān)系正確的為
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+) |
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