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镁与硝酸反应化学方程式
更新时间: 2020-09-06 00:00:00  

根据实验结果,金属镁与不同浓度的硝酸反应时,有下列几种情况:

(1)当硝酸浓度大于10N时Mg+4HNO3=Mg(NO3)2+2H2O+2NO2↑。

(2)当硝酸浓度为6、6~10N时11Mg+28HNO3=11Mg(NO3)2+NH4NO3+NO2↑+NO↑+N2↑+12H2O。

(3)当硝酸浓度在0.1~6、6N时12Mg+30HNO3=12Mg(NO3)2+NH4NO3+NO2↑+HO↑+N2↑+H2↑+12H2O。

(4)当硝酸浓度小于0.1N时10Mg+24HNO3=10Mg(NO3)2+NH4NO3+N2↑+H2↑+3H2O。

关键词: 硝酸 反应 化学 方程式

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