How many moles pf 02 present in 0.01 mole of kmno4?
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total molecular mass of KMnO4=39+54+64=157
total mass in 0.01 mole=0.01×157=1.57
now moles if 02=1.57÷16=0.098 mole
total mass in 0.01 mole=0.01×157=1.57
now moles if 02=1.57÷16=0.098 mole
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