尿素含氮量:CO(NH2)2.14*2/(28+16*2)=0.467
该氮肥含尿素为:0.45/0.467=96.4%
D
某尿素化肥,经测定含氮量为45%(杂志中不含氮),则该氮肥还尿素为
某尿素化肥,经测定含氮量为45%(杂志中不含氮),则该氮肥还尿素为
A.45%
B.46.7%
C.92.5%
D.96.4%
A.45%
B.46.7%
C.92.5%
D.96.4%
化学人气:757 ℃时间:2019-12-13 17:02:58
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