问题描述:
帮忙计算一下下列物质中各元素的百分含量
C% H% N%
C7H8NO
C8H6NOBr
C8H6NOF
C8H6NOCl
C9H9NO
C8H6NOCl
C23H20N4O
C25H24N4O
C26H23N5O
C24H22N4O2
C23H19N4OBr
C25H23N4OBr
C26H22N5OBr
C24H21N4O2Br
C23H19N4OF
C25H23N4OF
C26H22N5OF
C24H21N4O2F
只要计算 C H N元素的相对含量即可
C% H% N%
C7H8NO
C8H6NOBr
C8H6NOF
C8H6NOCl
C9H9NO
C8H6NOCl
C23H20N4O
C25H24N4O
C26H23N5O
C24H22N4O2
C23H19N4OBr
C25H23N4OBr
C26H22N5OBr
C24H21N4O2Br
C23H19N4OF
C25H23N4OF
C26H22N5OF
C24H21N4O2F
只要计算 C H N元素的相对含量即可
问题解答:
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