A.反應(yīng)要按一定的化學(xué)計量關(guān)系進(jìn)行 B.滴定反應(yīng)的完全程度要高 C.滴定反應(yīng)速率不能過快 D.必須有適當(dāng)方法確定終點
A.10.54% B.89.46% C.92.96% D.7.04%
A.CH2=CHCH2CH3 B.CH2=CHCH3 C.(C2H5)2C=CH3 D.CH3-CH=CH-CH3