100g尿素中氮元素的质量与?g硝铵的含氮元素质量相同
人气：426 ℃ 时间：2020-01-29 18:22:42
解答
尿素 CO(NH2)2 60
硝铵 NH4NO3 80
100*28/60=X*28/80
X=100*80/60=133.3g
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