Câu 17: D    (TCHH của axit axetic)

Câu 18: B     (phản ứng este hóa)

Câu 16: A

Câu `16` 

Chọn `A`

$n_{NaHCO_3}=\dfrac{42.20\%}{84}=0,1(mol)$ 

$\rm CH_3COOH +NaHCO_3 \xrightarrow{} CH_3COONa +CO_2 +H_2O$ 

theo pthh 

$n_{CH_3COOH}=n_{NaHCO_3}=0,1(mol)$ 

`->V_{CH_3OOH}=\frac{0,1}{0,1}=1(l)=1000(ml)`

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Câu `17` 

Chọn `D`

gt: $\rm CH_3COOH +C_2H_5OH \buildrel{{H_2SO_4(đ),}}\over\rightleftharpoons CH_3COOC_2H_5 +H_2O$

$\rm CH_3COOH +NaOH \xrightarrow{} CH_3COONa +H_2O$ 

$\rm 2CH_3COOH +Zn \xrightarrow{} (CH_3COO)_2Zn +H_2$ 

$\rm 2CH_3COOH +CaCO_3 \xrightarrow{} (CH_3COO)_2Ca +CO_2 +H_2O$

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Câu `18` 

Chọn `B` 

gt:  $\rm CH_3COOH +C_2H_5OH \buildrel{{H_2SO_4(đ),}}\over\rightleftharpoons CH_3COOC_2H_5 +H_2O$