A.10(a+b-12)% | B.10(a+b-14)% | C.10(12-a-b)% | D.10(14-a-b)% |
A.2.0 | B.12.3 | C.1.7 | D.12.0 |
A.9:1 | B.10:1 | C.1l:1 | D.12:l |
A.1% | B.2% | C.5% | D.10% |
A.混合后溶液pH=7 |
B.所得混合溶液中c(Na+)>c(CH 3COO-)>c(H+)>c(OH-) |
C.所得混合溶液中存在c(CH3COOH)+c(CH3COO-)=0.05mol/L |
D.混合后溶液中存在c(Na+)+c(H+)=c(CH3COOH)+c(CH3COO-) |
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