常温下用0.10 mol /L KOH溶液,滴定0.10 mol /L CH3COOH溶液,有关滴定过程中的说法正确的是
A.滴定终点时:溶液的pH=7 |
B.滴定终点时:c(K+) = c(CH3COO-),c(H+) < c(OH-) |
C.当溶液pH=7时:c(K+) = c(CH3COO-) + c(CH3COOH) |
D.接近滴定终点时:c(K+) + c(H+) = c(CH3COO-) + c(OH-) |
常温下用0.10 mol /L KOH溶液,滴定0.10 mol /L CH3COOH溶液,有关滴定过程中的说法正确的是
A.滴定终点时:溶液的pH=7 |
B.滴定终点时:c(K+) = c(CH3COO-),c(H+) < c(OH-) |
C.当溶液pH=7时:c(K+) = c(CH3COO-) + c(CH3COOH) |
D.接近滴定终点时:c(K+) + c(H+) = c(CH3COO-) + c(OH-) |