Đáp án+Giải thích các bước giải:

`=>` Chọn `D` 

`***` Các PTHH:

`Zn+2CH_3COOH->(CH_3COO)_2Zn+H_2uparrow`

`CaO+2CH_3COOH->(CH_3COO)_2Ca+H_2O`

`KOH+CH_3COOH->CH_3COOK+H_2O`

`BaCO_3+2CH_3COOH->(CH_3COO)_2Ba+H_2O+CO_2uparrow`

$\color{#FF4500}{\diamond\triangle\star}~\color{#FF0000}{V}\color{#FF6600}{i}\color{#FFCC00}{e}\color{#33CC33}{t}\color{#33CCFF}{n}\color{#6633FF}{a}\color{#CC33FF}{m}\color{#FF3399}{2}\color{#FF3366}{0}\color{#FF0033}{1}\color{#FF6600}{0}~\color{#FF4500}{\star\triangle\diamond}$