2KMnO4=K2MnO4+MnO2+O2
80*10/100=8
80-8=72
72/(158*2)=x/32
X=7.29
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2KMnO4=K2MnO4+MnO2+O2
80*10/100=8
80-8=72
72/(158*2)=x/32
X=7.29