Chemistry
Senior High
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模考的題目但是看不懂詳解 求講解
10.檸檬酸為食物跟飲料中酸的添加劑,也可以當作清潔劑使用,許多蔬
A
OH
果都有此成分,最具代表的為檸檬。圖2為檸檬酸的化學結構,試問
檸檬酸的分子式與孤對電子數各為何?
HO
OH
OH
(A) C6H8O714
圖2
(B) C6H7O8,14
(C) CHO7,15
(D) C6H8O7,28
(EC6H7O8, 16
下列哪此正確?(應選3項)
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我不知道怎麼看OH的數量