单选题:8.某羧酸酯的分子式为C18H26O5,1mo该酯完全水解可得到1mol羧酸和2mol乙醇,该羧酸的分子式为

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题目内容:
8.某羧酸酯的分子式为C18H26O5,1mo该酯完全水解可得到1mol羧酸和2mol乙醇,该羧酸的分子式为 A.C14H18O5
B.C14H16O4
C.C16H22O5
D.C16H20O5
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