三鹿婴幼儿配方奶粉导致多地婴儿患肾结石,是因不法份子添加了三

三鹿婴幼儿配方奶粉导致多地婴儿患肾结石,是因不法份子添加了三聚氰胺,。三聚氰胺的化学式为C3N6H6

(1) 三聚氰胺的相对分子质量是      

(2)三聚氰胺中碳、氮、氢元素质量之比是     

(3)三聚氰胺中碳元素的质量分数是      

 

答案

(1) 126  (2)36:84:6或6:14:1(二答一可得分)。  (3)28.6%  ;

解析:略

 

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