Question

将40.3克KCLO3和KMnO4的混合物充分加热,得到O2,7.84L（标况）,求原混合物中KClO3和KMnO4的物

Answer 1

7.84/22.4=0.35

n(KClO3)=x

n(KMnO4)=y

1.5x+0.5y=0.35

122.5x+158y=40.3

x=0.2

y=0.1

x:y=2:1