将10 g具有1个羟基的醇A跟乙酸在一定条件下反应,生成某酯17.6 g,并

10 g具有1个羟基的醇A跟乙酸在一定条件下反应,生成某酯17.6 g,并回收了未反应的A 0.8 g。则醇A的相对分子质量为  

    A146    B114    C92    D46

答案

D

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