某农民准备配制一种复合肥50kg,该复合肥中NHCl NH4H2PO4和K2SO4
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某农民准备配制一种复合肥50kg,该复合肥中NHCl NH4H2PO4和K2SO4
某农民准备配制一种复合肥50kg,该复合肥中含NH4Cl、NH4H2PO4和K2SO4的质量比为1:2:2,则需要NH4H2PO4的质量为____kg,该复合肥中氮元素的质量分数为____.
某农民准备配制一种复合肥50kg,该复合肥中含NH4Cl、NH4H2PO4和K2SO4的质量比为1:2:2,则需要NH4H2PO4的质量为____kg,该复合肥中氮元素的质量分数为____.
![某农民准备配制一种复合肥50kg,该复合肥中NHCl NH4H2PO4和K2SO4](/uploads/image/z/3807214-70-4.jpg?t=%E6%9F%90%E5%86%9C%E6%B0%91%E5%87%86%E5%A4%87%E9%85%8D%E5%88%B6%E4%B8%80%E7%A7%8D%E5%A4%8D%E5%90%88%E8%82%A550kg%2C%E8%AF%A5%E5%A4%8D%E5%90%88%E8%82%A5%E4%B8%ADNHCl+NH4H2PO4%E5%92%8CK2SO4)
20kg
6.13%
6.13%