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 complegivf3o o;,e,rprivg8i :9o u-5qshf.te combustion, carbon dioxide and w w+ eiie hw4z fs41zmt8(:c-nwater are the only products. The equation for this reaction is shown.
w wsf(eht+n4iw8:c ie z1m- z4
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:
| 
