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用稀盐酸洗去热水瓶上附着的水垢的化学方程式
更新时间： 2021-03-28 06:30:19  

1、用稀盐酸洗去热水瓶上附着的水垢的化学方程式：2HCl+CaCO3=CaCl2+H2O+CO2↑,2HCl+Mg(OH)2=2H2O+MgCl2

2、这是个常识问题。水垢的主要成分为Mg(OH)2和CaCO3,盐酸的化学式是HCl。

关键词： 盐酸 热水瓶 附着 水垢 化学 方程式

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