How Much How Fast & How Far E.1 Amount of Chemical Change (id: 3d19e945e)

本题目来源于试卷: How Much How Fast & How Far E.1 Amount of Chemical Change，类别为 IB化学

[单选题]

When pentan-2-one undergoes complete combustion, carbon dioxide and water are the only products. The equation for this reaction is shown.

Pentan-2-one+$aO_2$→$bCO_2$+$bH_2O$

What are the values of a and b in this equation?

A. 7.0 5.0
B. 7.5 5.0
C. 8.0 6.0
D. 8.5 6.0


参考答案:  A


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