饮料中的果味大多来自酯类。丁酸乙酯(C6H12O2)是无色具有菠萝香

饮料中的果味大多来自酯类。丁酸乙酯(C6H12O2)是无色具有菠萝香味的液体,常用作食品、饮料的调香剂。下列叙述中不正确的是

   A.丁酸乙酯是由20个原子构成的     

B.丁酸乙酯中碳元素的质量分数为27.6%。

   C.丁酸乙酯中碳、氢、氧元素的质量比为18:3:8

D.一个丁酸乙酯分子中,碳、氢、氧原子的个数比为3:6:1

 

答案

AB

解析:略

 

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