mKMnO4= mKClO3=1 (g)
=> nKMnO4 = 1/158 (mol)
nKClO3=2/245 (mol)
2KMnO4 --> MnO2 + O2 + KMnO4 (1)
1/158________1/316______________
VO2(1)=22,4.1/316=28/395(1)
2KClO3 --> 2KCl + 3O2 (2)
2/245_________3/245___
VO2(2) = 22,4.3/245=48/175 (l)
Mà 28/395 < 48/175
<=> VO2(1) < VO2(2)