某硫酸铵样品,测得其中氮元素的质量分数为20%,其样品中可能含有的另一种氮肥是( 发布时间:2017-07-07 12:17 │ 来源:www.tikuol.com 题型:选择题 问题: 某硫酸铵样品,测得其中氮元素的质量分数为20%,其样品中可能含有的另一种氮肥是( )A.CO(NH2)2(尿素)B.NH4HCO3C.NH4NO3D.NH4Cl
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