本题目来源于试卷: Classification of Matter A.2 Classification of Organic Compounds，类别为 IB化学
[单选题]
When pentan-2-one undergoes complete c :lvc,/2p.zku*px q ftombustion, carbon dioxide ans7lifck q+fs6c77a : gd water are the only produc 7csg76+sli aqkf7:f cts. The equation for this reaction is shown.
Pentan-2-one+a $O_2$ →b$ CO_2$+$b H_2O$
What are the values of a and b in this equation?
A. a is 7.0 ; b is 5.0
B. a is 7.5 ; b is 5.0
C. a is 8.0 ; b is 6.0
D. a is 8.5 ; b is 5.0
参考答案: A
本题详细解析:
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